The Amazon.com Marketplace offers practically anyone an unmatched opportunity to cash in selling older, old hardcover or paperback publications. But what titles should you stock up on to resell? The following types of printed books, magazines, and other related printed materials sell wonderfully on Amazon... and what does not sell on Amazon can be re sold on eBay or even Craigslist websites:
how to determine wholesale cost (click here to read)-To Non-Fiction-- This is going to be your bread and butter. You'll earn money selling the trade publications. Have a sharp eye of to choose these up. You will see them by the size of theirs; these measure about 6" x 9" and they typically are 1" - 2" dense. They ship cheaply by USPS standard media mail. The subject matter is usually diverse. It is straightforward to identify the following things cheap and resell them online:

Sell Solutions, Not Books
Buyers log on to Amazon seeking solutions to their problems. They buy gobs of' how-to' publications to help you solve those issues. I guess they seek out good used books over books which are brand new since they are less concerned over creating a book collection and more concerned with finding answers. Certain topics seem to sell better compared to others. Actually, it is not just books that sell well! Here is what I have found that will make you most money in this particular business:
Vintage Magazines -- as, Look and Time magazines sported vintage covers, several by celebrated popular artists including Norman Rockwell, along with famous photographers. Collectors love to find these. They are going to pay money which is good for these. Buy them affordable and you will make money. The best vintage magazines feature celebrities as Jimi Hendrix or Marilyn Monroe or Albert Einstein or maybe John F. Kennedy on the cover. Better yet, whether or not the old magazine doesn't have a pristine cover, do not despair. Clipping out the full-color and even the black and white full page ads inside could be lucrative. There are many individuals who like collecting and/or display these in the homes of theirs. Slip them into a cheap frame from a hobby store; they create a wonderful item of folk art.