Create an options page with checkboxes to disable dates in DatePicker.
WooCommerce Tips
Defer WooCommerce emails for a few minutes
Defer WooCommerce emails for a specified time after the normal delivery time.
Add BCC to WooCommerce emails
Add an email address (or two) as BCC to all WooCommerce emails.
Remove “Add to cart” button conditionally
Conditionally remove the ‘Add to cart’ button in WooCommerce.
Add custom product info to Additional Information tab
Use CMB2 to add a custom metabox to WooCommerce product then add data to Additional Information tab on product page.
Conditionally attach files to WooCommerce order email
Attach a file to the WooCommerce Order Completed email if a specific product or variation is in the order.