Reasonable (nightly rate) for dog sitting 2 large dogs?

We have 2 large dogs, a German Shepherd and a Dalmatian. The German Shepherd is bigger (about 85 pounds) but calmer and more obedient than the Dalmatian. Both are very sweet but the Dalmatian especially is excitable. As both are big dogs, we definitely need someone who is experienced and comfortable with them. We don’t travel a lot bc of this. Anyway, I finally convinced my fiancé to schedule a few trips (first time in almost 5 years) one with the dogs and one without.

I’m asking a friend of mine to watch them, she’s watched them before and is super comfortable with dogs and almost became a trainer for the local K-9 unit actually. Anyway, this is for a 3-5 day trip, staying at our house (or taking the dogs to hers but I’m assuming it’ll be easier to stay at our house as it’s bigger). How much is a good rate to pay? I asked her and she said “whatever” so not helpful lol, and I don’t want to take advantage of someone just bc we’re friends!! We’re in Ohio if this helps.