Prince William filled four trolleys with alcohol at a supermarket and walked away spending $1,700. Excessive? For me or you, yes. But the dude is a 24 year old Prince. I bet he has one or two friends to share it with.....Esposay Prince William filled four trolleys with alcohol at a supermarket and walked away spending $1,700. Excessive? For me or you, yes. But the dude is a 24 year old Prince. I bet he has one or two friends to share it with.....Esposay