Hourly billing will charge your student by the rate you've set, and automatically adjusts based on the length of the lesson on the calendar. If you'd like to enable this billing profile, follow these steps: Click Settings in the top right-hand corner and select Studio Settings.Select the Accounts & Invoices tab. Under the Billing Settings section, check the Hourly Billing box. Click Save when finished. Once hourly billing is enabled, you can change your student's default billing settings to apply the new rate. Here's how: Navigate to Students from the main menu.Click the blue Zoom icon to the left of the student's name.Select the Teachers tab. Click the blue Edit button to the left of the teacher you wish to edit.Change the Default Billing option to Student pays an hourly rate (charges will automatically adjust to lesson length)Enter the hourly rate. Click OK when finished.Once saved, the system will ask you to apply this rate from a specific date. Select the Start Date if this needs to be applied to existing lessons on the calendar, and click Yes, Make Changes to apply the rate.