#751 - Selling Online For 25 Years!

An e-commerce seller for 25 years reveals how to protect profits, control inventory, rethink shipping costs, and use AI workflows without letting bad data quietly wreck your Amazon business today.

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What does it really take to stay profitable after more than two decades in e-commerce? In this episode, Bradley Sutton welcomes back Rolando Rosas, a seven-figure seller with 25 years of online selling experience, to talk about the less glamorous but absolutely critical side of running a long-term Amazon business: operations, inventory, cash flow, shipping, and knowing your numbers.

Rolando shares how his e-commerce journey began in 2002, after the tech bubble burst, with his own website and Google AdWords, before expanding to Amazon, Walmart, eBay, and other channels. Today, Amazon makes up the majority of his revenue, but he explains why sellers should not rely on one growth lever alone. As markets shift, especially in B2B and IT-related categories, sellers need to pay close attention to profitability and not just top-line sales.

One of the biggest lessons from the episode is that great marketing cannot save weak operations. Rolando breaks down why inventory mismanagement can sink even large companies, how MFN (Multi-channel Fulfillment) can help certain sellers reduce cash flow pressure, and why treating shipping as a shared cost rather than a simple expense can add meaningful profit back into the business. He also explains how sellers should approach price increases by understanding margins, fees, categories, and customer behavior.

The episode also dives into practical AI workflows for e-commerce sellers. Rolando explains why sellers should not let AI handle messy data from start to finish, and instead should feed it clean, structured reports for more reliable analysis. From turning screenshots into spreadsheets to using AI to summarize business data, his message is clear: AI can save time, but only when paired with smart systems and human judgment. The big takeaway? Stay curious, think bigger, and keep looking for the hidden levers that can protect your profit.

In episode 751 of the Serious Sellers Podcast, Bradley and Rolando discuss:

• 00:00 - Introduction
• 02:05 - From Corporate Sales To Ecommerce
• 05:23 - Starting Selling Online Before Amazon
• 06:28 - Why Amazon Became The Next Move
• 08:18 - AI As The Next Business Shift
• 09:20 - Revenue Breakdown Across Channels
• 11:03 - Forecasting Sales In A Tough Market
• 12:11 - Why Operations Matter Most
• 15:37 - FBA Vs. MFN Strategy
• 19:23 - Rethinking Shipping Costs
• 23:22 - When To Raise Prices
• 27:03 - Building Better AI Workflows
• 28:43 - Beginner AI Time-Saving Tip
• 31:23 - Why Curious Sellers Win