I think she makes quite a bit. I think her husband would agree paying for her implants was a good investment. People will pay to watch a girl with big tits like her have sex.
It would be enough to effort a good life. Some models earn more, some earn less money.
But remember life could be very expensive in some areas of the world and someday lesser people will show interest in their content or they are tired of those work and then they need a plan B.
Like when seeing vids or pictures of some girls which doing most of their content at home, they might not have a higher living standard than an average worker, for example Ruby Sunset, Casey James or Charlotte Gullberg comes to my mind.