Relying on a single affiliate program feels risky because policies can change without warning. Some programs cut commission rates or close accounts for unclear reasons. On the other hand, focusing on one program means learning it well and building strong content around those products. Diversifying across multiple programs spreads risk but also means managing more relationships and tracking systems. Many successful affiliates seem to use a main program with a few backup options. Finding the right balance between focus and safety matters for long term income. How many affiliate programs do you actively promote on your site?