I've seen those houses-turned-into-karate-gyms in my town too! They are always busy. Once you get up and running, you could deliver flyers to all of the day-cares and pre-schools in your area. It's possible you could even use a field or gym of a local elementary school.
Did you get a website domain yet? With a .WS domain you will have more choices available. AND find out how you can make $3900 per month to help fund your business while it's getting off the ground. Watch the 7 minute movie at www.myhomeoffice.ws

Good luck and have fun!

Jim Clifton
jim@myhomeoffice.ws