Paid advertising is a tricky business. With careful planning and tracking, it can be a lucrative and reliable source of leads and sales. But, it can also be an expensive lesson. The more you know about the people you’re advertising to, the better your ads will perform. This is why many business owners love advertising on Facebook. There are so many options for audience targeting. One of my favorite options is Facebook Custom Audiences. With Custom Audiences, you can retarget people who have interacted with your business already. For example, customers and website visitors. When you market to a Custom...