You may be the most experienced seller of cars, bikes buses or whatever, but in future when you write a bill of sale, put an exact time and a date on the document and make sure you both sign it! Why? Because...
When submitting listings on ebay the first one is free, then if you want to put more photos up its 12p a pop, what would you say, if you could do this perfectly free of charge, it really quite simple, register...