>>107095561Depends on where they live. There is no real advantage to vtubing in NYC vs third world, but the cost of living difference is huge.
Depends on how long their career can last. The income distribution of the career of an entertainer has always been, and always will be, massively variable. Can easily force even successful ones out of the game before they built enough of a nest egg.
The VAST majority will always get so little money they have to treat it as a hobby. Distribution of income is like a power law and the median is poverty level wages.