Mark Dunne
Founder of Seller Stacked & Supplements Wise
I have been running e-commerce operations for over eleven years across Amazon FBA, Shopify, and eBay. I handle everything from Amazon PPC and Google Ads to Shopify theme development, SEO, product sourcing, and compliance. Seller Stacked is where I share honest reviews of the AI tools I evaluate and use to run my own business.
81
Articles published
75
Tools reviewed
11+
Years in e-commerce
Areas of expertise
Articles by Mark
BabyLoveGrowth Review 2026: AI SEO Content Automation for Ecommerce Sellers
BabyLoveGrowth tested across 30-article auto-publishing, backlink network, and AI visibility tracking -- who it genuinely helps, where it falls short, and whether the $99/month is justified.
FastMoss Review 2026: TikTok Shop Analytics and Creator Outreach Tested
FastMoss tested across product research, creator discovery, LIVE monitoring, and competitor tracking -- who it is actually for, where it falls short, and how it compares to Kalodata.
Kalodata Review 2026: The Best TikTok Shop Analytics Tool?
Kalodata tested across product research, creator discovery, and competitor tracking -- what the data actually tells you, where the estimates fall short, and whether the $46-$99/month is justified.
Best AI Tools for Multichannel Ecommerce Sellers in 2026
The six AI tools that actually hold a multichannel operation together -- covering support, marketing, analytics, repricing, design, and social media.
Fireflies.ai for Ecommerce: How Sellers Use AI to Capture Supplier and Team Meetings
Fireflies.ai tested across 8 supplier calls and 6 weeks of team meetings -- what it captures, where the visible bot causes friction, and how to pair it with Jasper for post-meeting workflows.
PromptWatch Review 2026: The Best AI Visibility Tracker for Ecommerce Sellers?
PromptWatch tested across three ecommerce brands over six weeks -- what it tells you about AI search visibility, whether the $99/month price is justified, and two cheaper alternatives.
Feedvisor Review 2026: AI Pricing and Intelligence for High-Volume Amazon Sellers
Feedvisor combines AI repricing with advertising optimisation in one platform -- but is it worth $1,500+/mo? Here's what enterprise Amazon sellers actually get.
Galaxy AI Review 2026: The AI Subscription Killer for Amazon Sellers?
Galaxy AI bundles 3,000+ AI models for $15/month. For Amazon sellers paying for ChatGPT, Claude, and image tools separately, it could cut AI costs by 70%.
Nudgen Review 2026: The AI Email Tool That Actually Works for Solo Ecommerce Sellers
Nudgen tested across three Shopify stores over six weeks -- AI drafting, automated stop rules, and $19/month pricing make it a serious Klaviyo alternative for solo sellers.
Helium by Helium 10 Review 2026: The AI Analyst That Answers Amazon Questions in Plain English
Helium launches inside Helium 10 on August 24, 2026 -- a conversational AI analyst that reads your live account against ten years of category data and hands back verdicts, not metrics.
Tripo 3D Review 2026: Can AI Generate Ecommerce-Ready 3D Product Models?
Tripo 3D tested across 23 product types: what it handles cleanly (bottles, boxes, speakers), where it fails badly (jewellery, thin frames, garments), and whether it replaces a 3D designer for ecommerce sellers.
Pacdora Review 2026: AI Packaging Design and 3D Mockups for Ecommerce
Pacdora tested across 6 packaging projects: supplement pouches, cosmetic cartons, and Etsy candle packaging -- when it beats hiring a 3D designer and when it does not.
ElevenLabs for Ecommerce: How to Create AI Voiceovers for Product Videos
Six AI voiceover and video tools tested for ecommerce product content -- ElevenLabs produces the best audio but outputs nothing until you pair it with a video editor. Here is what actually works.
How to Use AI to Create Ecommerce Product Listings at Scale
Seven AI listing tools tested across Amazon, Shopify, and Etsy -- covering bulk generation, keyword integration, and which tool fits which seller type.
Best AI Tools for Ecommerce Influencer and UGC Marketing 2026
Blotato, OpusClip, HeyGen, InVideo, and Nudgen tested for building a creator-free UGC content engine -- which tools produce content worth paying for, and which are skippable.
SmartScout TikTok Shop Analytics: Amazon's Best Research Tool Comes to TikTok
SmartScout is bringing its brand-intelligence approach to TikTok Shop -- product research, shop analysis, creator intelligence, and category data. Here's what the feature covers and who it's built for.
Frase vs Surfer SEO vs Semrush: Which AI SEO Tool Is Best for Ecommerce?
Frase, Surfer SEO, Semrush, Hike SEO, and SEOWriting.ai tested on a live ecommerce blog -- which content editor earns its price and which is only worth it if you need the full SEO toolkit.
I Built a Product Photography Studio for Under $100 Using AI Tools
A $43 physical rig plus free-tier AI tools produced Amazon-compliant product images for 47 SKUs -- here is exactly what worked and what did not.
Postscript vs Klaviyo for SMS Marketing: Which Is Right for Your Store?
Postscript and Klaviyo both handle Shopify SMS marketing, but they're built for very different stores. Which one wins on price, features, and actual results?
How to Run Your Shopify Store on 10 Hours a Week Using AI
Seven AI tools that replaced 45 hours of weekly store management -- covering email flows, customer support, ad creative, social scheduling, and analytics reporting.
AI for Amazon Product Sourcing: Best Tools and Strategies in 2026
Helium 10, Jungle Scout, SmartScout, ZonGuru, and DataDive tested for product sourcing -- the right pick depends on whether you source private label or wholesale, not how much you spend.
OpusClip Review 2026: Is It Worth It for Ecommerce Sellers?
OpusClip tested on 40+ hours of product and tutorial footage: how the credit system really works, when the virality score helps, and when sellers should use something else.
Best AI Inventory Management Tools for Ecommerce Sellers 2026
Helium 10, Feedvisor, Seller Snap, and Triple Whale tested for inventory management -- which handles restock planning, which pairs pricing with stock levels, and which suits your platform.
SmartScout vs Helium 10 vs Jungle Scout: Which Amazon Research Tool Wins in 2026?
SmartScout is market intelligence. Helium 10 and Jungle Scout are product research tools. Confusing them is how sellers end up on the wrong subscription -- here is how they actually differ.
Flair AI vs Pebblely vs Claid.ai: Best AI Product Photo Background Tool?
Flair AI, Pebblely, and Claid.ai tested across 24 product images -- the winner depends entirely on whether you need creative control, speed, or image quality improvement.
Best OpusClip Alternatives in 2026: 5 Tools Tested for Ecommerce Sellers
OpusClip's credit expiry and AI clip misses push sellers to look elsewhere -- InVideo AI, Submagic, Klap, HeyGen, and CapCut each solve a different part of the short-form video problem.
Klaviyo AI Features Explained: What Sellers Need to Know in 2026
A practical breakdown of every AI feature in Klaviyo -- predictive analytics, Segments AI, Smart Send Time, and more -- with honest notes on what actually works.
Shopify Free Trial 2026: How to Claim It, What You Can Do, and Which Plan to Pick Next
The Shopify free trial is 3 days free plus 3 months at $1/month -- but there are three things that catch most new sellers off guard before they make their first sale.
How to Use AI to Scale Your Amazon FBA Wholesale Business in 2026
SmartScout, Helium 10, Seller Snap, Aura Repricer, and Feedvisor: which AI tools actually move the needle for wholesale FBA sellers in 2026.
Best AI UGC Video Tools for Ecommerce Sellers 2026
HeyGen, OpusClip, InVideo, Fliki, Blotato, Nudgen, and Dittodub tested across 120 video assets: which create authentic UGC content, which repurpose what you have, and the two-tool stack most sellers actually need.
Triple Whale Review 2026: Is It Worth It for Shopify Brands?
Triple Whale tested on a live Shopify store for four months: what the free Founders Dash actually gives you, when the paid attribution is worth $179/mo, and the Moby 2 AI agent caveat no one mentions.
AdCreative.ai Review 2026: Is It Worth It for Ecommerce Sellers?
AdCreative.ai tested across 3 ecommerce accounts: conversion scoring, credit system math, billing complaints, and when Canva or Flair AI does the job for less.
Helium 10 MCP: Ask Claude Anything About Your Amazon Business
Helium 10's new MCP connects Claude directly to your live keyword, ad, and profit data -- so the AI answers from your actual account, not guesswork. Included with Diamond at no extra cost.
Best AI Tools for Print on Demand Sellers 2026
EverBee, eRank, Canva, Flair AI, Pebblely, Pacdora, and Claid.ai tested across 140+ designs on Etsy and Merch by Amazon: which tools cut design time and which are skippable.
Perpetua vs Pacvue vs Quartile: Which Amazon PPC Platform Wins in 2026?
A data-driven comparison of the three leading enterprise Amazon PPC platforms -- covering pricing, automation approach, real seller outcomes, and which brands each one actually suits.
How to Use AI to Manage Amazon Customer Reviews and Protect Your Seller Rating
A five-step AI review management strategy for Amazon sellers -- from automated review requests to ODR protection, with tools and real numbers.
Best AI Tools for Amazon Review Management in 2026
ZonGuru, BQool BigCentral, Helium 10, and eDesk compared for Amazon review monitoring, sentiment analysis, and protecting your seller rating.
Seller Snap vs Aura Repricer: Which AI Repricer Is Better for Amazon?
A head-to-head comparison of Seller Snap and Aura Repricer across pricing, AI algorithm quality, speed, and real-world ROI for Amazon FBA sellers.
SmartScout Review 2026: The Best Amazon Market Intelligence Tool?
SmartScout reviewed: brand database, subcategory browser, Seller Map, AI Listing Architect, and who it actually makes sense for in 2026.
Best AI Tools for eBay Sellers in 2026
eDesk, Canva, AdCreative.ai, Flair AI, Claid.ai, and Pebblely tested on an active eBay store: which protect feedback, meet image rules, and justify the cost.
Listing Optimization AI Review 2026: AI Product Images for Amazon Sellers
Listing Optimization AI turns an Amazon ASIN into listing images, infographics, and A+ Content. We tested it against Pebblely, Flair AI, and PhotoRoom.
How to Create Amazon Product Images with AI in 2026
How to create Amazon product images with AI: compliant main image, review-led infographics, lifestyle scenes, and A+ Content, matched to the right tool.
Listing Optimization AI vs Pebblely vs Flair AI: Best AI Tool for Amazon Product Images?
Listing Optimization AI, Pebblely, and Flair AI compared for Amazon product images: which builds the full listing set and which makes the best scenes.
SmartScout Alternatives 2026: 6 Amazon Market Research Tools Compared
The best SmartScout alternatives for 2026: Helium 10, Jungle Scout, DataDive, and ZonGuru compared, and when each one beats SmartScout.
eDesk Review 2026: The Best Helpdesk for Multichannel Ecommerce Sellers?
eDesk is the only helpdesk natively connecting Amazon, eBay, Etsy, Walmart, and Shopify in one inbox. 30 days tested: what works, and who should buy.
Best AI Ad Creative Tools for Ecommerce Sellers 2026
AdCreative.ai, Canva, Flair AI, OpusClip, InVideo, HeyGen, and Blotato compared: which make usable ad creative, which win on video, and the minimum stack.
Best AI Customer Service Tools for Ecommerce Sellers 2026
Tidio, Gorgias, eDesk, and HubSpot compared for e-commerce: which handles your support volume, fits your platform mix, and avoids surprise add-on billing.
eRank vs EverBee: Which Etsy Research Tool Is Better in 2026?
eRank vs EverBee for Etsy: eRank is the SEO and keyword tool, EverBee the product research and sales validation tool. Which you need depends on your stage.
Best AI Tools for Dropshipping in 2026
Copy.ai, Canva, AdCreative.ai, Klaviyo, Tidio, and Omnisend compared for dropshipping: which improve margins at each order volume, and the stack to buy.
Best AI Ecommerce Analytics Tools for Shopify and DTC Brands 2026
Triple Whale, Klaviyo, Omnisend, and HubSpot compared for attribution, customer analytics, and profit tracking: which show what actually drives revenue.
How to Automate Your Shopify Email Marketing with AI
The five flows every Shopify store needs on autopilot, the AI features that move the needle, and Klaviyo vs Omnisend vs Postscript tested on a real store.
AI Shopping Agents: What Sellers Need to Know in 2026
Amazon Rufus, ChatGPT Shopping, Google AI Overviews, and Perplexity are reshaping product discovery. What each looks at, and how to optimise for AI.
Best Free AI Tools for E-Commerce Sellers
15 free AI tools tested for product photos, listing copy, support, keyword research, email, and video: the zero-cost starter stack for new sellers.
AI vs Manual: Product Listing Writing Comparison (With Examples)
A 90-day test of AI-generated vs manually written Amazon listings across 40 products: conversion rates, keyword coverage, time savings, and the best hybrid.
Best AI PPC Automation Tools for Amazon Sellers
Helium 10 Adtomic, Perpetua, Quartile, Pacvue, Jungle Scout PPC, and Feedvisor compared for AI Amazon PPC: bid automation, keywords, and ACOS, tested.
Klaviyo vs Omnisend: Which Email Platform Fits Your Shopify Store?
A direct comparison of the two leading Shopify email and SMS platforms: segmentation, pricing at real list sizes, deliverability, and ease of use compared.
Helium 10 vs Jungle Scout: Which Amazon Research Tool is Right for You?
A practical head-to-head of the two biggest Amazon product research tools: keyword research, sales estimates, PPC management, and pricing at real usage.
Best AI SEO Tools for E-commerce Sellers in 2026
Surfer SEO, Semrush, Frase, Hike SEO, and SEOWriting.ai compared for content optimization, keyword research, and store visibility.
AI Chatbots for E-Commerce: Tidio vs Fin vs eDesk
Tidio, Intercom Fin, and eDesk compared for e-commerce support: AI resolution rates, order lookup, multichannel support, and pricing per conversation.
Best AI Tools for TikTok Shop Sellers 2026
CapCut Commerce Pro, Canva, Jasper, Writesonic, Tidio, Triple Whale, Fliki, and Blotato compared for TikTok Shop: video, copy, support, and analytics.
Jasper vs Writesonic: Which AI Writing Tool is Worth It?
A head-to-head of two established AI writing platforms for ecommerce sellers: brand voice, GEO visibility tracking, content quality, and pricing compared.
HeyGen vs Synthesia: Which AI Video Platform Should You Pick?
A practical comparison of the two leading AI avatar video platforms for sellers: UGC-style ads, multilingual content, avatar quality, and credit systems.
Best AI Tools for Etsy Sellers 2026
eRank, EverBee, Flair AI, PhotoRoom, Canva, Jasper, Writesonic, and Tidio compared for Etsy: keyword research, photography, copy, and support ranked.
Amazon AI Agent Policy: What Every Seller Must Know
Amazon's AI agent policy affects every seller using repricing, PPC automation, support bots, and listing optimisers. What it says and what to do.
Gorgias vs Tidio: Which Helpdesk Platform Should You Choose?
A practical comparison of two leading Shopify helpdesks: order management, team scaling, multichannel support, and pricing at real ticket volumes compared.
Best AI Voice and Audio Tools for E-commerce Sellers in 2026
ElevenLabs, Fliki, Synthesia, and Murf AI compared for product video voiceovers, ad narration, and multilingual content.
Surfer SEO vs Frase: Which SEO Content Tool is Better Value?
A practical comparison of the two leading SEO content optimisation tools for ecommerce bloggers: content editor, SERP analysis, AI visibility, and pricing.
AI Product Photography Tools: I Tested 8 Options Side by Side
Same three products, eight AI tools, side by side: PhotoRoom, Flair AI, Pebblely, Listing Optimization AI, Canva, Claid.ai, Pacdora, and Tripo 3D compared.
Best AI Repricing Tools for Amazon Sellers 2026
Seller Snap, Aura, BQool, Repricer.com, and Feedvisor compared for AI repricing intelligence, speed, and value across different seller sizes.
Best AI Tools for Amazon Product Photography in 2026
Six AI tools that replace expensive product shoots: background removal, lifestyle scenes, 3D mockups, and packaging renders for Amazon and Shopify sellers.
How to Optimise Your Amazon Listings for Rufus AI in 2026
Step-by-step guide to restructuring Amazon listings for Rufus and COSMO: titles, bullets, backend attributes, A+ Content, and tools to audit intent.
How to Get Your Products Cited by ChatGPT and Google AI Overviews
A practical guide to getting your products recommended by AI answer engines: content structure, schema markup, platform tactics, and visibility monitoring.
Tidio vs Gorgias: Which AI Chatbot is Right for Your Store?
A practical comparison of the two most popular AI support tools for Shopify sellers. Pricing at real volumes, AI capabilities, and when to choose each.
How to Build a Week of E-commerce Social Content in One Hour
A step-by-step workflow for batching a full week of social media content across platforms using Blotato. Practical framework for product sellers.
Best AI Video Tools for E-commerce Sellers in 2026
Five AI video tools that let you create product explainers, UGC-style ads, and social content without a film crew. Honest comparison with pricing and use cases.
Best Amazon Product Research Tools in 2026: Jungle Scout vs Helium 10 vs ZonGuru vs DataDive
A head-to-head comparison of the four leading Amazon product research tools. Which one fits your budget, experience level, and selling strategy.
Shopify AI Features: An Honest Look at Magic and Sidekick in 2026
Everything Shopify's built-in AI tools can and cannot do for your store. What to use, what to skip, and where you still need third-party tools.
Klaviyo vs Omnisend vs Postscript: Which Email and SMS Platform Fits Your Store?
A side-by-side comparison of the three leading email and SMS marketing platforms for Shopify sellers, with pricing at real list sizes.
How I Use AI to Run My Supplement Brand (Real Results)
Real results from 12 months of integrating AI tools into daily e-commerce operations.
Best AI Tools for Amazon FBA Sellers
The complete guide to AI tools that give FBA sellers a real competitive edge.
Best AI Tools for Shopify Store Owners in 2026
A curated breakdown of the AI tools actually worth paying for if you run a Shopify store.