All sales are final after installation is complete. You will be responsible for the installation cost and the remaining prorate of the current month and the following month. You may cancel at any time. Installation cost and the 1 st month are non-refundable! All cancellation requires 30 days’ notice from the 1 st day of the following month. For example, if you would like to cancel on the 20th of September, you will be responsible for September and the month of October.