Used and over-print paperback books. Clearwater, FL 33516. Surplus, overstocks, remainders, etc., paperback and hardcover books. Good used merchandise sometimes can be located at the right price at garage sales, local Salvation Army Stores, Goodwill, rummage sales, etc. Check the local factories in your area.
Seconds are big sellers at flea markets.
If you catch them at the right time, make an offer on their stuff. If you are going to be there each week, you can afford to take the chance, whereas they don't want to have to cart back the stuff that doesn't sell. Most of his used books are purchased right at the flea market. What he does is look around at the tail end of the day and make an offer to purchase the whole lot of books that people are trying to sell. He bought he entire lot for 5 cents each and the owner was thrilled to death.