Always take some feedback comments with a pinch of salt. Some ebayers sell 1p items to boost their positive feedback. They may sell 200 of these 1p items and get positive feedback as a result a month and have overall positive feedback of only 250.
The buyer may think that the seller actually manages to sell 250 higher prices good and artificially thinks that they are a strong seller as a result for higher priced goods. Some people really try and skank you !!
You must have a look at the products they sell by clicking on the item number within the feedback.
Just a few words of wisdom to hopefully help you on your way.