You can put your affiliate link on Facebook to earn money. Many affiliates successfully share links on their personal or business pages. You should ensure you follow Facebook's guidelines and the affiliate program's rules. Transparency is key, so include a disclaimer stating that you may earn a commission from clicks. However, you cannot promote affiliate links directly through Facebook ads for certain programs like ClickBank. You should create engaging content that leads to your affiliate links on a blog or landing page. Building an audience and providing value will enhance your chances of earning through your affiliate links.