Chapter 5 Trying Other Plans — One Change at a Time

The question What happens if we retire a little later, save more, or spend less?

The answer Tab ⑦ Assumptions · sensitivity has four tools: three assumption sets, a grid of returns and starting ages, a one-step what-if, and a comparison of two ages. Each one changes one thing on the same inputs. They show what moves the result most; they do not say which choice is better.

5.0 In one line Change one thing, watch one thing move. Start with what your family can actually choose.

The full chapter is in the book. The web shows only each chapter's question, answer and one-line summary.