Sales Incentive # 17: Quantity

For a limited time, you can offer additional products or services at no cost.

When selling supplies, for example, you can offer increase the quantity without increasing the price by offering a Baker's Dozen (13 for the price of 12, etc.)

When selling books, you could send four copies for the price of three-which would expose you're your book to the buyer's friends and co-workers.

When selling seats at a conference, you could offer three seats for the price of two. You could also offer site licenses for several teleconference attendees from a single organization.