Rheo Guides
Sell secondhand, smarter
Valuation, pricing, and where you actually get paid best. Everything we've learned selling tens of thousands of secondhand items — without the hassle.
- Guide ·
AI tools to sell your stuff — what they do and which to choose
AI can now recognize your item, price it, and write the listing for you. Here's what the different tools actually do, where they differ, and what to look for before you pick one.
Read the guide → - Comparison ·
The best ways to sell secondhand online in 2026 — an honest comparison
Where should you sell this year? A straight look at eBay, Facebook Marketplace, Vinted, Depop and Mercari — plus where an AI selling tool saves you the most time. No fluff, just what actually works.
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How does AI valuation of secondhand items work?
AI can price a used item from a photo — but how, and can you trust it? Here's what actually happens under the hood, what makes the valuation accurate, and where its limits are.
Read the guide → - Guide ·
How to sell on multiple marketplaces at once — without the double work
More buyers see the item, it sells faster and for a better price. Here's why cross-listing pays off, the trap most people fall into, and how to do it without writing every listing three times.
Read the guide → - Guide ·
What is my item worth? How to price secondhand for a fast sale
Price too high and it sits; too low and you give money away. Here's how to find what your used item is actually worth — based on what similar things sold for, not what people are asking.
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