Go once a month and double your price, the ones who say no thank you, will probably end up coming back anyway, but those price's are way to cheap, if you keep them at that price, you won't be making yourself a decent living, you will have to work twice as hard, and sorry to say I don't think you would be in business long.
you will soon build up a good round with a good reputation with good work on your side. so do it now! good luck to you.