Use CMB2 to add a custom metabox to WooCommerce product then add data to Additional Information tab on product page.
Attach a file to the WooCommerce Order Completed email if a specific product or variation is in the order.
Use CMB2 to add a custom metabox to add tracking information to WooCommerce orders. The information is then added to the “Completed Order” email.
Watch the variation dropdowns and copy the values to a CF7DTE hidden field.
CF7DTE is great but sometimes you need a custom shortcode to get product info into the form.
Add editing capability to the List stock levels in WooCommerce plugin