I got an email from PSA about the 90% buyback offer on Courtyard.io. Pretty good deal to roll the dice on a $100 pack and worse case lose $10 based on the $100 average card value of this pack. But there is a 37.5% chance of getting a card value between the $50-$75 range, so there is some risk there. They've also got $25 and $50 packs if $100 is out of your budget.

I got the 2001 Japanese Mew Expedition 1st Edition. I checked historical sales and it ranged from $120 - $150, not bad. It would of been nice to hit on the holo version which sells for 7-8x more.

Odds*: 37.5% $50-75 | 30% $75-100 | 27.5% $100-200 | 3% $200-400 | 1.5% $400-1,000 | 0.5% $1,000+

If you're interested here's the link:
https://courtyard.io/vending-machine/sports-starter-pack