The Math

Any lifestyle is within reach. We just have to balance the books. Do the math.

In a lot of cases, this means tallying up our available resources and reallocating them accordingly.

You might want to write a book, for instance. Writing a book is typically a monetarily cheap endeavor, but requires a great deal of time. As such, you look at the time you have available — 24 hours each day, 7 days a week, etc — and sort out how much of that time you can dedicate to the writing of this book.

Most of...