You could call local RV dealers to see if any are interested in buying your RV directly. Would just depend on how much they needed used RVs to sell.
But I would also check out local RV consignment dealers. They have access to a wide range of potential buyers. They typically charge 6-10% of the sell price. That would be within the range of return you are wanting to get provided they can sell it for what you think it is worth. And they would handle all the sell transaction details. A simple phone call should get you answers.
I, too, am not to keen on selling my RV myself. Can probably get more money, but not worth the hassle to me.