I want to give bass lessons to beginners, whats the best way to advertise? and any advice appreciated!?

i've been playing for about 6 to 7 years, know my basic theory enough to teach beginners and intermediate players (but pref beginners). how should i advertise and what should i chharge? i was thinking 10 dollars an hour, maybe 15. teach them some scales, notes and songs. what do you think?I want to give bass lessons to beginners, whats the best way to advertise? and any advice appreciated!?
yea thats seems to be the right amount...try posting in craigslist or something...or maybe hand out flyers possibly....