YouTube channels have the ability to monetize their content through advertisements and link sponsorships. This means that businesses can earn money when viewers watch their videos and click on advertisements. For example, a YouTube channel focused on air duct cleaning could target business owners as a target audience. These owners could benefit from the advice provided in the channel's content, such as 11 Steps To Starting a Successful Air Duct Cleaning Business. This would provide an opportunity for the channel to earn money while also providing helpful information to people looking to start their own business.