Affiliate memberships are programs that allow individuals or businesses to earn commissions by promoting products or services from other companies. When a member shares a unique affiliate link and someone makes a purchase through that link, the member receives a percentage of the sale. This model benefits both the affiliate and the company, as it increases sales and expands reach. Many online retailers, such as Amazon and eBay, offer affiliate programs. These programs typically provide affiliates with marketing materials, tracking tools, and support to help them succeed. Affiliates can promote products through websites, blogs, or social media, making it a flexible way to earn income.