I'm looking at a 2022 grand design Momentum to buy. It looks like a clean, well taken care of unit. The buyer has taken it to Florida twice (live in Wisconsin) and that is the only times they used it. I was wondering what are some of the things I should look at before I purchase. We have been camping with a truck slide in camper for years, but this is our first travel trailer. I don't want to get ripped off, but it does look like a nice unit, any help for this first time buyer would be appreciated. Thank you.