When joining affiliate programs there are many decisions you have to make. Unfortunately, few people query what kind of tracking software the program uses. To overlook this can prove costly, and means you may never be credited with 5% - 10% of your affiliate sales.A good affiliate program will use quality affiliate tracking software that is reliable and tracks all of your sales. You must make sure that they not only track online sales, but also sales by phone, fax and mail order. Many companies .