A couple of my friends and I are thinking about starting a family sharing group for Apple Music. As students it'll be cheaper for us to split the $15/month cost rather than pay $10/month. I was just wondering whether there was a way to set up the family sharing so that it doesn't use the same credit card for all the purchases. I know the Apple Music subscription will have to be paid through one credit card and that's fine, but is there a way to set it up so that all other purchases, such as app store, can be made through other cards?