return that gpu ASAP if you wish. but know it will likely be a long time before you can get that 3070. unless you wish to get the higher end ones, then its only a month wait
used prices for the 2080 and 2080ti are gonna be crap for sure. we'll see them selling for very little compared to what they cost new this time around. if i can match a 2080ti for $500 new, no chance i gonna spend more than maybe $400 for last gen that can do the same used....