Once you've determined the Nickel and Dime approach isn't working out and we've earned a bit of your trust you may want to consider purchasing a bit of service at a time- we call this a block of hours. This basically gives you an account with some credit on it at a discounted rate and a priority in our queue along with more seasoned customers.
We can get the job done and follow up without adding to your bill pile every time you pick up the phone.