Originally Posted by EddieLeon

If you mean volume of work then I believe the site could have lots of it. It would just need to be marketed properly to a broad audience, such as, developers, architects, ad agencies, realtors, and other 3d companies/artists.

Regarding logistics, it would need some serious investment to get it off the ground properly ($200k - $500k). It will need a team of full-time programmers, designers, sales, etc... It can be started for less, but then the growth curve would be too slow and you would risk having a better funded competitor swooping in and beating you out.