Seventeen bucks now could pay for college later.
X-Men: Apocalypse could be the next 2001: A Space Odyssey. You don't know. No one could have anticipated that the flying car from Chitty Chitty Bang Bang would fetch a cool half-mill at auction, but then here we are.
That's the thing about comic books and movie memorabilia. There's no way to predict what will hit big with collectors and what will languish forever in someone's dusty basement. You gotta get in on it now and then hope for the best.
Just think, if your great-grandpa had stored that Action Comics #1 in a hermetically sealed plastic case instead of under his mattress with gobs of used chewing gum, you could be shopping for yachts instead of cheap refurbed electronics. Hindsight, right?