Hi - just catching up with this post after a few months....
I had an affair with a ps for about 6 months, which gave me a good insight into the industry from her perspective. Admittedly she is one of the more business savvy girls going round.
Her "business model" was to do about 20 scenes per year to keep the catalogue fresh and attract subscribers to her website. Keeping the scenes fresh also lead punters to her webcam site - which made a decent income every month. Finally, she did escort work charging out about $1500 per hour - again on the back of keeping some scenes coming every year. Usually her escort clients would book multiple hours or days at a time ( this is how we met).
The money she earned from the scene themselves was about $1500-$2000. Across a year not much but she used that to cover her over head costs such as accommodation and other expenses while being in LA to do the scenes and then to pay for the agents, web masters, and escort agencies for the other income.
Over the course of a year, she would gross about $200k. Her final objective was to get about 100 scenes and then "retire" from that and hope to have that catalogue keep the webcam, website and escort work going.
I spent some time with another high profile PSE who had the same approach.
I guess like any industry, those that can work out how to "position" themselves and use the porn scenes to push clients into the other aspects of the industry (webcams and escort etc) will make a decent living for awhile.
For both of these ladies, there biggest fear was understandably getting older and how to out compete all of the new talent coming. For one of them, getting a massive breast enhancement and doing some harder scenes was a way to keep ahead of the competition - at least for the time being.
Being in business myself, I was really impressed by the acumen some of these ladies have