What affiliate marketer should look for programs?

Affiliate marketer should select an affiliate program depend to many criteria:
- affiliate programs that offer a good commissions,
- related program to their web site,
- quality products and services,
- merchants reputation - it is waste of time if you promote a merchant that did not take his promise,
- Test, test, test, even reputable merchant you should test because there is much time that cookies did not work, or they did not respect time, such 90 days but in reality 2 days.
- Promote programs that convert well,
- Affiliate program with a good affiliate manager
- Affiliate program with useful and usable affiliate tools