I just made a website like flippa and sedo.It is place where you can buy and sell website and domains through auctions.You can also add a bitcoin payment by hiring a developer.By adding bitcoin API it can be successful.GOOD MARKETING...GOOD NAME..it will boom your business.You profit will be through Listing fees.
See it live here:
www.coingam.comMin Bid: 0.6 BTC
Buy it now: 1 BTC
Min increment: 0.04 BTC
Time: 24hrs
I will not be upset if i didn't get any bid.I will run the website by own