every review i handled was a success,didnt happend that a review popped up back. but if its pooping up someway ofc ill do a big discount.1-7 days TAT is decent. If a deleted review happens to pop back up after the 14-day window passes, do you offer a discounted re-removal rate?
Engage with the seller on the forum before you buy - it's the only way to be eligible for Dispute Resolution if something goes wrong.