One business owner is getting fleeced, and she doesn't even realize it. Local coffee shops are a great place to get some work done on your laptop, meet up with friends to talk, or grab a quick bite to eat. While some locations only carry coffee and tea , a lot of them carry food products---and they aren't afraid to mark up prices quite a bit. The new owner of one coffee shop is still trying to figure out her profit margins. The owner of the baked goods shop she's buying from noticed that she's…