Margins
Profit Margins are really determined by the Strategies being used on a regular basis. Some of the Strategies that can set an average Profit Margin for each individual are Brokering, Commission Sales, Third Party Sales, and Buying and Reselling.
Income
Extreme and consistent Income can be achieved with First Edition books. Depending on the individual and the Strategies used, Profits can range from a couple hundred dollars a month into the thousands. Several styles of multiple Income streams can be created as well.
Condition
Condition isnt everything, its the only thing. First Edition books have a Condition or Grade that ranges from New/Very Fine to Poor. The Price difference between Grades can be hundreds of dollars or even more. Being able to accurately determined the proper Condition of a First Edition is Essential to both Buying and Selling.