Two regular listing sites
Escape forum and Fiberglass RV
Random posts like yours are often met with a positive response.
Describe briefly what you want to buy Length, Age, must have features. And your willingness to travel to acquire.
Budget may or may not help, depends. When I buy a used item I don’t tell the seller how much money I have in my pocket. Best of luck to you.
Don’t look for “For Sale” signs on trailers in Corps of Engineers Camp Grounds. Right Adrian?
Strike while the iron is hot. Live every day as if it were your last and one day you will be right.