Sometimes, The Money Is In The Name
Cart.com sells for $50k. Given that 4-letter domains are so difficult to find, this one may have been a bargain basement price.
Social.com sold for $2.6 million -- just for the domain name.
Speaking of which, DomainName.com sold for $1 million. :p
Publish Coloring Books for Profit (WSOTD 7-30-2015)