You can understand why Amazon doesn’t give affiliate commission in certain cases by reviewing their policies. You should know they only pay for qualifying purchases. You can lose commissions if a buyer doesn’t complete a purchase within the cookie period. You must ensure your links are correctly set up and approved. You can miss commissions if you promote restricted products. You should avoid violations like link cloaking or using misleading promotions. You can also lose eligibility if your account doesn’t meet performance standards. You must follow Amazon’s rules and focus on driving valid traffic to earn commissions successfully.