tinker: my youtube subscription is paid automatically with my credit card. It requires no further authorization from me. However, the subscription is a once-per-month charge. Any other charges for youtube - such as movies, or anything from google play - have to come from me, manually. It's a security setting to prevent kids from ordering random stuff, since kids can get their own limited access if their parents set that up for them. My sister can access my "family library" of movies and books, but she can't order anything. That setting is through youtube TV though, not through my credit card.
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