This 2 minute report was on last night's local Binghamton, NY news. The LCS owner seems to attribute most of the price rises to boredom during the lock down for the Covid virus. Interesting little report and I'll have to check this guy's shop out when I am down in Binghamton next month.
wbng.com
I still am in doubt about the current big RCs value. It just does not make any sense that that particular card went from $12 to $600 when it is a very common and easy to find card.

Sports trading card market sees boost amid pandemic
Parlor City Cards and Collectibles is thriving amid the pandemic, thanks to an increase in popularity in sports trading cards.

I still am in doubt about the current big RCs value. It just does not make any sense that that particular card went from $12 to $600 when it is a very common and easy to find card.