That kinda seems to good to be true. What do you think is wrong with it? https://www.rvtrader.com/listing/2008-Newmar-DUTCH+STAR+4320-122188996?zmc=search-alert-listing
Sounds like a scam, but I searched that number and it's pretty consistent with what comes up. Call it and find out. The worst that can happen is someone gets your cell number and you can block it if it's a scam.