I searched clash of clans on eBay out of curiosity and found an account for sale:
2 days left currently at £31.99 but it looks like it could go for a good amount of money and cheaper than buying gems and upgrading. It would be interesting to see how much an account like this is actually worth.
Not sure how supercell feel about people selling accounts and how it would be done. I'm assuming the seller would give his game center account and password. Even then your village name is forever someone else's, in this case 'Ricky2410'.
Here is the village:
