I'm on a roll!
Sold an old Trek road bike for +45% for the price I paid very 2nd hand some 3-4yrs ago.
Tonight it's my 3rd hand CD player that's gone for £1300+ and I paid £1100 several years ago.
One more 2nd hand bike on eBay right now and it's up to what I paid for it already with 2hrs to go.
It's a bidding war out there and as a seller I'm doing rather well!

