How much does running a service like Hipmunk cost? It might not be a good business for the current owner, but it could be profitable for e.g. company of four pe

How much does running a service like Hipmunk cost? It might not be a good business for the current owner, but it could be profitable for e.g. company of four people. Wouldn't it be better to give it back to Huffman and run it as a small project?