One thing I do is keep old books in the trunk of my car. Whatever a store won't buy I put back in my trunk. Every couple of weeks I add some newer books and try

One thing I do is keep old books in the trunk of my car. Whatever a store won't buy I put back in my trunk. Every couple of weeks I add some newer books and try again. Sometimes books that were rejected the first time are bought later. A few months ago I was on a short road trip and tried to sell my stuff in another town. They bought everything I had, even some old pc games.