Use the One Page Checkout graphical interface; Manually insert the
product, using the 'Add Order' button under WooCommerce in WP backend.
Test Mode can also be used with Payment Request buttons by adding a Stripe Test card
In this version, we've added manual workflow functionality for orders and
Shop Loop Product Message – Add an optional message to each pre-order
Quick Tip: Add orders for customers and give them an easy payment path
By the way, if you are looking a way how to change "Place order" button text ,
Reward them by giving them exclusive discounts and instant order
That's why it doesn't work. In the following you will get the correct chosen shipping zone name: add_filter('woocommerce_order_button_html' ...
Go to WooCommerce > Orders; Click on 'Add order' button to create a manual order;; Check what user was assigned in the Customer field ...