Gold Card Auctions - Sports Card Investing
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At this time avoid purchasing modern base rookie cards. For example 2019 Zion Williamson Prizm Base RC or the 2018 Juan Soto Topps Chrome Base RC.
Generally speaking only purchase PSA 10 or 9, BGS 10 or 9.5, SGC 10, HGA 10 graded cards. And in particular, most of your purchases should be PSA 10 or BGS 9.5.
Avoid purchasing sports cards that not been graded as it is rare the card will grade PSA 10 or BGS 9.5 (at least in our experience).