There is generally a monthly minimum, often not mentioned. The charge for closing out your account each day. The minimum monthly transaction fee is important to those getting started, for you pay it whether or not you have any sales. This becomes a non-factor given better sales. Costs Of Greatest Concern Whether or not to go for a setup fee and lower monthly costs versus the higher rates on a monthly lease may be a tough call.
Some people prefer to pay cash for major items and save the often high cost of interest over time.
The same thinking is needed here. If you find it necessary to cancel a given service and turn to another, you will be liable for the unpaid balance. One way to compare costs is to total those of all plans being considered over a four year period. There are a variety of other charges, often not spelled out. Most are small, and of little concern.