Yeah, what she said lol. I often forget this isn't just a regular discussion board, sorry 

Have you tried changing The required number of items to one? Maybe with two collections you should have a product of one from each collection?

Hey! When you login to your dashboard, on the left side at the VERY bottom, there is a link to your "settings". Once you're in settings, on the left side as the last option, is "policies". In the policy section is where you will find a place to put y...