You can use Apple Pay and Google Pay to fund your investment; these options will appear next to "Card Payment when supported by your device and browser. If they don't appear, they are not supported, and you can try accessing DealMaker using a different device.
You can either select the "Card" option to pay by entering your credit card information, or you can select the mobile wallet option on the right.
Selecting Apple Pay or Google Pay will instruct you to click “Submit”, which will bring up the payment submission form. Following the instructions for Apple/Google Pay respectively will complete your payment, such as Double Clicking to complete your Payment.