i am unable to find a customer for selling my websites Domain name?

tell me a place where i can Sell My Domain name for 150$ alongwith 300gb free webspace

There are many a websites avaliable, for just domain names www.sedo.com and www.sitepoint.com are best other few are dp.forums.com, GreatDomains.com, BuyDomains.com, Afternic.com , NamePros.com, DNForum.com etc………., best of luck