How do I apply a 2 for $20 mix and match discount?

Hello, I would to offer Mix and Match 2 for $20. I have 4 products all the same price. How do I apply this? Second question would the 2 for $20 be considered a discount code or price change in product. I asking because I’d also, like to offer free shipping.

Thanks

Hi There!

Go to your Discounts & Create an Automatic discount with Buy X get Y. Choose the four products as X and the four products in Y with a discount. It will be considered as a discount code

Thank you! I’ll give it a try.