[santoriv]

He probably did pretty well if he invested at the right time. There were a few cards I got when I was a kid that were worth $6 at the time and spiked to about $800 in 2018 -> http://www.mtgprice.com/sets/Revised/Underground_Sea. I dumped everything valuable in my collection as I just play for fun occasionally and "bad" cards are just as fun as "good" cards.