You can always try getting your own leads via the net... it takes a lot of creativity to start something up, but once you get rolling, it will be much cheaper than purchasing them from a 3rd party.

If you are looking for one in the NYC area, shoot me a PM. I have something for you.

Consult an attorney. They are your family, so it's a tricky situation. You still could run into some legal trouble if you signed a non-compete clause, however. Like I said, consult a lawyer.