You can decide on a good affiliate commission percentage by considering industry standards. You should look for programs offering 10% to 30% commission. You can find higher rates, such as 40% or more, in digital products or services. You should compare different affiliate programs before choosing one. You must ensure the percentage aligns with the product's price. You can focus on programs that offer recurring commissions, like 20% for subscriptions. You should also prioritize programs with strong customer support and marketing tools. You can earn more by promoting high-ticket items with commission rates of 15% to 25%.