There are several ways to know if an affiliate program is safe to join. Research the company behind the program online. Look for reviews and testimonials from other affiliates. Check if the company has a strong reputation. Verify if the program offers clear terms and conditions. Ensure the program provides reliable tracking tools. Look for transparency in payment policies and schedules. Avoid programs with unrealistic earning promises. Confirm that the program offers good customer support. Check for secure payment methods like PayPal or bank transfer. Research if the program is recommended by trusted marketers. Safe programs prioritize fairness and affiliate success.