Unlike the startup founders those don't get a 4 hours week after they're successful. Yes they can because wealthy, but they have to keep working 70 hours weeks to keep their business afloat.
If you get to the point of having a bunch of people working under you and taking on more and more responsibility for the hands on work, you could conceivably have something like a four hour work week?
One of the main take aways from Feriss' book was that he achieved the 4-hour work week by continuing to delegate more and more responsibility to the people working for his business.
One of the main take aways from Feriss' book was that he achieved the 4-hour work week by continuing to delegate more and more responsibility to the people working for his business.