There are a few reasons why you might want to use ads in your WordPress posts, content pages or widgets. First, ads can help you generate revenue from your site. If you have a high-traffic site, you can make money by selling ad space to advertisers. Second, ads can help promote your own products or services. If you have a product or service that you want to promote, you can use ads to reach a larger audience. Finally, ads can help you build relationships with other businesses. If you have a business that you want to partner with, you can use ads to reach out to them and build a relationship.