https://mobirise.com/

PAYMENT CENTER...

Here, you can make advance payments prior to picking up your instrument,
pay for repair from out of town or pay deposits on special order parts
without having to come to the shop. Pay from your PC, Mac or mobile device...

PayPal Payments...

Once you receive your invoice by email, you can open and view it. A link to this page will be included in the email. Click on the "BUY NOW" button in the center, to make your payment. You do not have to be a PayPal member to make a payment...