Is this a good way to put myself out there?

Hello, I'm 23 years old. My other job is retail where I do 2 or 3 days a week, part time. With so much spare time, I wash cars on the side to earn money (clean cars, wax, clean rims, interior cleaning, vacuum, wipe downs, clean door jams, complete detail). I have good prices. Im very motivated, and hate being home all the time.

Do you think it would look good, and professional if I called around to buy here, pay here lots, and car lots to see if they have any cars they will like clean, and hopefully be a regular car care person for them? Benefits me as well as them.

I have my own cleaning supplies, just not water, and electricity.