sold for first time

i never thought that I can sell something to anybody in my life..
but yestarday i was able sell my Canon 28-135mm EF USM IS lens on eBay..
I am really surpraised that I can sell something..

my ebay auction(Item number: 7551584048)..
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7551584048&rd=1&sspagename=STRK%3AMESO%3AIT&rd=1