Mark Dunne
Founder of Seller Stacked & Supplements Wise
I have been running e-commerce operations for over eleven years across Shopify, Amazon FBA, 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.
6
Articles published
31
Tools reviewed
11+
Years in e-commerce
Areas of expertise
Articles by Mark
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.
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.
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.
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.
Best AI Tools for Amazon FBA Sellers
The complete guide to AI tools that give FBA sellers a real competitive edge.
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.