Affiliate networks are legit if you choose reputable ones. You should research the network before signing up. You can find reviews and testimonials from other affiliates to check their reliability. Some well-known networks include CJ Affiliate, ShareASale, and Rakuten. These networks have a track record of paying affiliates on time. You should also read the terms and conditions of the network. You must understand their payment methods and policies. Avoid networks that promise unrealistic earnings or ask for upfront fees. You can succeed with affiliate marketing if you choose trustworthy networks and follow ethical practices.