Card Harbor
Guides
Guides for running a card business.
Practical write-ups for sellers, not listicle fluff. Start here if you're setting up pricing or storage for the first time, or want to sanity-check how you're doing it now.
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How to price MTG singles for TCGplayer
What market, low, and mid actually mean, condition and printing adjustments, floor prices for bulk, and when repricing is worth automating.
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How to organize a card inventory you can actually pick from
Scan order, box and divider layout, front-to-back orientation, and a pull-sheet picking flow that holds up as your inventory grows.
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How to work a TCGplayer pull sheet
What the sheet is, where to get it in the seller portal, why Direct wants packing-slip order, and how to walk a pick route instead of hunting.
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Collection buyout to live listings in a weekend
Triage order for a buyout, scanning without pre-sorting, condition and variant honesty, pricing the long tail, and the staged import CSV.