You enter the store just after your kid.
Scan your guests first, one at a time and anything they leave the store with will appear on your bill.
Yes anything they grab will be charged to you as well.
You can enter with one account for additional members in your party. There are staff at the entrance that will help you with this and you will just need to pass through the gates one at a time.
You will end up scanning your one app for each of your family members as they enter, including yourself last.
Several people can enter with the same account but they have to enter one by one.
Yes
Thanks! Your answer is awaiting moderation.