how do i get cards psa graded 10 vs PSA 9 Sports Cards: Grading Guide for Collectors Tips for PSA grading? :

Indestructible makes it hard to stop the card advantage, while protection from everything makes it hard to stop you

Many people arbitrage between online and OTC/offline tradesvendors at card shows do this on a large scale, with their main income source similar to market makers or liquidity providers in crypto, earning the spread and relying mainly on volume and volatility

Thats what we have so far for the first half of 2024, at least for major releases

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