WooCommerce Add-on Products in lieu of Variables where too many Attribues and Variables would slow down the site and Overload the database.

Plugin WooCommerce Product Add Ons

For Individual Products Choose the Add-ons tab in the Product Data section

Then Add Field button

Add the number of product options you need. Flat Fee price is the amount to add to the base price.

Use the import button to add a field already created for another product of from the main Product>Add-ons. Export from the previously created Field then Import to an individual Product Data>Add-Ons

For Field or Field Groups for Entire Product Categories Use WooCommerce>Products>Add-ons

Create New>Name>Product Categories>Enter Category name or several Category Names. All Field/Product Options or Group of Fields/Product Options will be added to every Product in the Categories selected.