In 3 the "hours? all of them" part is hyperbole and also both unwise and unnecessary. High hours leads to burnout. Plus it should be about results not hours.
I think it is unwise to reduce your options, especially in financial matters, especially regarding income, especially if you do not already have FU money. BATNA principle.
In 3 the "hours? all of them" part is hyperbole and also both unwise and unnecessary. High hours leads to burnout. Plus it should be about results not hours.
Most of his points are good.