Using a low fee is recommended, since the payment doesn't need to be quick. There's - no need to waste your money choosing a fee based on having it arrive within an hour, - when having it go through within a couple days is perfectly fine.
+We recommend using the lowest fee tier recommended by your wallet since the + transaction taking hours or even a couple days is fine. An even lower custom fee + isn't recommended unless you're going to monitor it and bump the fee with RBF.