Need Help

Hi everyone. I need some help or any suggessions. I have some website I want to sell. Two of them are not active. The two are http://www.carloans-180.com and http://www.shoescheap-online.com. The other websites are active. These are are up for sale also. They are http://www.petpicking.com and http://www.findingqualityshoes.com. If you have any ideas where I can go to put these sites for sale. Feel free give me ideas. If you yourself like to buy these sites, let me know.