Where to Sell Used Game Boy Games: Best Outlets by Speed vs. Price vs. Effort

Best outlets depend on speed vs. price vs. effort:

Platform	Best For	Fees	Shipping	Notes
eBay	Max price, rare titles	13.25% + $0.30	Seller	Use "Buy It Now" + Best Offer; photo cart label + PCB.
Mercari	Easier listing, lower fees	10% + $0.50	Seller	Prepaid labels; good for bundles.
Facebook Marketplace	Local cash, no shipping	Free	Buyer picks up	Meet at police station lobby; test on DS/GB Player.
GameStop / Local Retro Shops	Instant cash/store credit	Low payout (30–50% FMV)	N/A	Call ahead—many stopped GB/GBC/GBA intake.
DKOldies / Lukie Games / JJGames	Mail-in bulk lots	They pay shipping	Prepaid label	Quote via spreadsheet; slower but convenient.
r/GameSale / r/retrogameswap	Enthusiast buyers, fair prices	PayPal G&S 2.9%	Seller	Require flair/rep; timestamped photos mandatory.
Decluttr / musicMagpie	Zero effort, bulk low-value	Instant quote	Free ship	Pennies per cart; only for junk lots.

Prep Checklist

Clean contacts: 99% IPA + fiber-free swab.
Test on hardware (GB, GBC, GBA, GBA SP, DS Lite, Game Boy Player).
Photo: front label, back label, PCB (pin condition), any box/manual.
Price: Check PriceCharting "Complete in Box" vs "Cart Only."
Ship: Bubble mailer + cardboard stiffener; USPS First Class <$1 lb.

High-Value Titles (Watch For)

Pokémon Red/Blue/Yellow/Crystal, Zelda: Link's Awakening DX / Oracle Ages/Seasons, Mario Land 2, Mega Man V, Trip World, Shantae (GBC), Cubix (GBA), Mother 3 (repro warning).

Sell smart—retro market's hot.

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