simplified checkout

[geofrey]

kindly asking how can i have a simplified checkout whereby on checkout the customer simply provides their phone number and address

[veganline]

https://forum.thirtybees.com/topic/3593-tip-default-one-page-checkout-shortened-from-the-back-office-css-panel/

...shows how to remove a lot of things from the checkout, like making it a single page and removing options for customers to log-in and create an account.

Not what you are looking for but the same techniques might work. Here's another similar that might be better explained:
https://forum.thirtybees.com/topic/3096-how-to-hide-the-customer-date-of-birth-request/