As an relatively new eBay seller, I highly recommend you download the program eBay Turbo Lister. It helps you keep a standar format and it also has a spell check. What I did was create my first listing on Word, as Erin recommended, and then copied and pasted it to the eBay Turbo Lister. That way I had the format/font I wanted plus the agility of listing things fast. Personally, I don't think it matters if you have things ending at the same time. Good luck!