It may not be the cleanest, but you could change that. $48,000 gets you in the door and presumably into a partnership. Rent is $3500, and of course you'll need staff.
Add some bleach, the right lighting and some mood music for a swingin' time. Shagadelic!
[LoopNet: 4028 24th St # A, San Francisco, CA, 94114 - Available for Lease]