If anyone is looking for a discounted copy of fallout 76 to try out the wastelanders update you can buy a key here for $19.99, most places bumped up price since the update.
https://us.gamesplanet.com/game/fallout-76-bethesda-key--4000-1
It's a bethesda store key but if you link your steam...
Same thing happened to me. Placed order at 11am for pickup and it’s 6pm no email. Still says processing. Store says they never got anything, called customer service they said my order was cancelled because the shipping address(the store) is different from the billing address.