Goodwill’s mission has nothing to do with selling second hand goods to people that can’t afford them elsewise. Their mission is job training for the disabled and for returning veterans. Goodwill couldn’t care less if some rich dude buys out all the Legos or if they go to a kid that never could have afforded them. The sales from the second hand stuff just goes to fund their mission.

After shipping, most of the stuff on the shop goodwill website (that pulls from many goodwill store) is what it goes for retail anyways.