A:AnswerYou will likely get $70 for your iPhone 8 and it will go on a Best Buy gift card. The cost of the iPhone 11 depends on if you are getting it for a specific carrier or if you want it to be unlocked.
A:AnswerNo... Someone was trying to do this (for another country), while I was upgrading my online. Best Buy is not allowed to sell a phone outright, without connecting the phone to a plan.