Learn

New to selling online? These guides cover everything from choosing your first platform to understanding how marketplace fees eat into your profits.

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Which Platform Should I Use?

Take our 5-question quiz to find the best marketplace for what you sell.

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How to Start Selling Online

Everything you need to know to create your first listing and make your first sale.

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Marketplace Fees 101

What are listing fees, commissions, and processing fees โ€” and why they vary so much.

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Shipping Basics for New Sellers

Free vs paid shipping, packaging tips, carrier options, and common mistakes to avoid.

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Seller Fee Glossary

25+ key terms every reseller should know โ€” from COGS to 1099-K.

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How to Use FeePilot to Maximize Profit

Step-by-step guide to using the calculator, comparison, and Pro tools.

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How to Price Your Items

Cost-plus, competitive, and platform-optimized pricing strategies.

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10 Common Beginner Mistakes

The mistakes every new seller makes โ€” and how to skip them.

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How to Calculate True Profit

Real profit means subtracting ALL costs, not just fees.

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When to Offer Free Shipping

When free shipping helps, when it hurts, and how to price for it.

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eBay Seller Guide

Listings, Top Rated Plus, promoted ads, store subscriptions, and eBay-specific strategies.

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Mercari Seller Guide

Smart Pricing, shipping tips, the new 10% fee, and getting your first sale.

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Etsy Seller Guide

SEO, fee stacking, Offsite Ads, digital downloads, and standing out as a maker.

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Poshmark Seller Guide

Sharing strategy, Closet Clear Out, bundles, and selling in a 20% commission world.

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eBay vs Mercari: Which Is Cheaper?

A head-to-head comparison of fees, audience, shipping, and selling experience.

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Best Platform by Category

Where to sell clothing, electronics, sneakers, handmade goods, and more.

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Cross-Listing Strategy 101

How to sell on multiple platforms without double-selling.

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When to Switch Platforms

Signs it is time to move, how to evaluate, and how to migrate.

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Photography for Sellers

Take professional product photos with just your phone.

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Writing High-Converting Listings

Titles, descriptions, and keywords that rank and sell.

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Returns, Refunds & Customer Issues

How to handle returns and protect your reputation.

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Tax Basics for Online Sellers

1099-K, deductions, sales tax, and when to get help.

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How to Scale to $5K/Month

The math, systems, and sourcing strategy to go from side hustle to real income.

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Data-Driven Pricing Strategies

Use sold data, fee calculators, and analytics to price every item right.

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Automation Tools for Resellers

Crosslisting, shipping, inventory, and fee tracking tools that save hours.

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International Selling Basics

Fees, shipping, customs, and currency when selling across borders.

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