Lots of pricing info on Ubreakifix.com
Our Samsung gs8, with tax, was around 250.
Really good people to help with screen problems got my note 8 screen replaced there in about an hour. Warranty covered it but would have cost 285 if i had to pay but thats one of the most expensive screens on the market.
I don't know but they will give ans estimate if you call
Varies by phone. If you call them up they will quote you.
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