You won't have a different person coming to your house every time. I have been in the pest control business since 1993 and I know what it takes to keep your home pest free.
You will want to keep using Jack's Pest Control for the thorough, dependable, and friendly service. Not because you had to sign a long term contract.
Although quarterly service is the most popular, you can have monthly, bi-monthly, or any time you want it.