From the sellers
The Siderbox
Blog.
Set reviews, market analysis, grading guides, and buying advice from a seller who actually plays the games.
4 articles
Featured
How to Grade Your Cards Consistently: A Seller's Field Guide
The exact process we use at Siderbox to call Near Mint near mint — and why conservative grading is the best business decision you can make.
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Buying Guide
Buying Singles vs. Sealed: Why Smart Buyers Skip the Packs
The math behind expected value — and why buying the cards you actually want almost always beats opening booster packs.
Buying Guide
eBay vs. TCGPlayer: Where to Buy Your TCG Singles
Two platforms, very different experiences. Here's when to use each — and what to watch for on both.
Market Watch Lorcana
Disney Lorcana at Two Years: What the Secondary Market Tells Us
From surprise hit to maturing collector's market — how Lorcana's card values have evolved and what buyers should know heading into its next chapter.