Ask questions first before you join an affiliate program. Do a little research about the choices of program that you intend to join into. Get some answers because they will be the deciding point of what you will be achieving later on. Don’t spend any money to join any affiliate program. Almost all the affiliate programs offered today are free to join. So, why you go for those that charge you some dollars before joining. How are referrals from an affiliate’s site tracked and for how long do they remain in the system?
You need to be confident on the program enough to track those people you refer from your site. This is the only way that you can credit for a sale. The period of time that those people stay in the system is also important. This is because some visitors do not buy initially but may want to return later to make the purchase. Know if you will still get credit for the sale if it is done some months from a certain day.
Know conversation ration per hit. With this you will be able to know how much traffic needed to make sale for your affiliate program. This is based on average number of hits to a banner or text likes it takes to generate a sale...