Making money through online affiliate marketing is a great way to earn passive income. Here are the steps to get started:

1. Find a profitable niche: In affiliate marketing, it is crucial to choose a profitable niche. Choose a niche that you are passionate about and that has a high demand. This will make it easier for you to create content and market the product.

2. Choose a reliable affiliate program: Look for an affiliate program that offers high commissions, a good conversion rate, and quality products. Some popular affiliate programs include Amazon Associates, Clickbank, and ShareASale.

3. Build a website or blog: Building a website or blog can help establish your credibility as an affiliate marketer. You can create content around your niche, promote relevant products, and build an email list.

4. Drive traffic to your site: To make money as an affiliate marketer, you need to drive traffic to your site. You can do this through various methods such as search engine optimization (SEO), social media marketing, content marketing, and paid advertising.

5. Promote products: Once you have traffic, you can start promoting relevant products to your audience. You can do this through various methods such as product reviews, comparison articles, and product recommendations.

6. Get paid: When someone purchases a product through your unique affiliate link, you earn a commission. Make sure to keep track of your earnings and optimize your strategies to increase your revenue.

Remember, affiliate marketing requires patience, persistence, and hard work. By building a strong foundation and consistently promoting relevant products, you can earn a steady stream of passive income.