These ads don’t need to be sexy, only simple. Less is more. Two lines, one pic. Phone number - we use the burner app for a local number. If I saw a gold plated ad for a $500 rent mobile home it would seem like a scam since they don’t jive.
Check out this thread - Frank commented on some basic simple language. We have used it, with minor tweaks, to get a lot of calls: Test ads in Winter - #11 by frankrolfe
I am still working on better ways to get higher quality calls, but for now volume is the best answer.