3 year eBay sales trending analysis
Some vintage baseball card eBay sales trending analysis below, albeit limited sample sizes:
2018 sold in cards: 14.2% Gross Return
2019: 18.7
2020: 49.6
2021: 51.5
2019 sold in Mick cards: 36.9% Gross Return
2020 Mick cards: 58.7
2021 Mick cards: 114.5
2019 sold in Mays cards: 20.3% Gross Return
2020 Mays cards: 60.0
2021 Mays cards: 87.5
Which players, sets, or genres have yielded you the best ROI?
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