Oh does she? I'm not up to date, I thought she was still living with her parents in that massive flat.Yes, YT is definitely not bankrolling and I’m not aware of her doing any ads.
Even when she was working, she was earning under £30k. Not nearly enough to justify living in Westminster and flying first class to CA to stay in a £700 a night hotel. For sure her flat has also been bought for her (she shares with a relative) so she doesn’t have to worry about rent/mortgage.
spending £8500 on a course that didn’t end up as a career is probably pennies to her family.
As for her former jobs, they seemed to be more for fun tbh, because she wanted to be close to the West End scene. And from her vlogs, working at the Royal Opera House did seem like a fun job. I don't think she'll ever have to work out of necessity.