This is the second niche you could profit from quickly and easily. Second hand books especially old books sell for good money on eBay.
The best place to find them locally is second hand markets. I guarantee if you have a good look around there are at least four or so markets a week in your town.
What types of books are selling for big bucks on eBay? Here’s a list of popular products for you to look for.
“How to” type books of any kind sell great.
Marketing books, hobby, art, pet, fix or repair, old out of print, pre 1950’s.
Even old papers and postcards sell well on eBay.
The good thing about eBay is there are lots of categories to list books in so instead of just listing in the books or non fiction categories why not try listing in other related categories.
For instance if your selling a knitting book try listing it in the category for knitting supplies, do you think people looking for knitting supplies would be interested in a knitting book, I think they would.
You can make lots of money on eBay selling old books. Its also great fun searching the local markets. Get out there find a few books and list them on eBay.