There are several ways to monetize your Facebook page and earn money online. Here are some popular methods:
Affiliate Marketing: You can earn a commission by promoting other people's products or services. You can sign up with an affiliate program and promote products or services relevant to your audience on your Facebook page.
Sponsored Posts: Brands may pay you to create content and post it on your Facebook page. Make sure to disclose that it's a sponsored post.
Facebook Ads: If you have a large following, you can sell ad space on your Facebook page. Brands can pay to have their ads shown to your audience.
Sell products: If you have a product to sell, you can use your Facebook page to promote it. You can also use Facebook's Marketplace to sell products directly to your audience.
Paid Subscriptions: You can offer exclusive content to your Facebook followers for a subscription fee. Facebook allows you to create and manage a subscription group.
Donations: If you have a cause or charity that you support, you can use your Facebook page to collect donations from your followers.