"It is often said a person's earning power, that is, the ability to earn an income, is by far..."

"It is often said a person's earning power, that is, the ability to earn an income, is by far the biggest asset anybody has. This is entirely true, but what this doesn't tell you is that you can magnify your earning potential several times over working for yourself rather than somebody else. This means finding a low-maintenance side gig and banking the earnings. This is what Tim Ferriss refers to as a muse in his book The Four Hour Work Week. If you do it right, you can net an additional $15,...