If your business is changing and you want to change subscription levels, go to SETTINGS, then SUBSCRIPTION. Here you will see your current subscription level highlighted. To change levels, click on the new plan. Tank Track will prorate your monthly fee based on the day in your monthly cycle that you make the change.
For example, let's say you have one truck and your business has grown enough to add a second truck. Go to the subscriptions page and select the STARTER subscription. Be sure to SAVE CHANGES before you leave.