If you love greeting cards and want to start a business, you might be wondering if it's really possible. It is! In fact, there are many people who sell their own cards at local fairs and markets, or even on websites like Etsy. And those are just two examples of ways that you can sell your cards. The first thing to do is figure out what kind of greeting card business would work best for you—let's take a look at some things to think about so you can figure out what kind of niche would be best for you in our step by step guide.