The only payment method at this time is through PayPal.
The following will give you an idea of the screens you will see at Paypal.
If you don't already have a PayPal account, you will want to hit the Sign Up button on their sign in page.
You'll probably be choosing the Personal button to Get Started.
You'll have to fill out a form of personal information.
And then you will have to make a choice of how to connect your PayPal account to a payment method.
Note the steps you take may differ from these above depending on the choices you make and any changes that occur at the PayPal site.
You can check the Overview of your PayPal account to note the Processing Time it will take to transfer money into your PayPal account. Please make sure you allow enough time to have funds transfered by your appointment date.
In order to make a payment for tutoring time you will need to Add Money to your PayPal account.
Choose the Send Money tab.
Fill in the Send Money form. Use firstname.lastname@example.org for the "To" box, fill in the appropriate "Amount", make sure you choose U.S. Dollars, and choose the Services radio button from the "Purchase" tab. Finally, hit the continue button.
After reviewing your payment information on the next page, hit the Send Money button.