P3 · CHAPTER 21 · 90-DAY EXPERIMENT
90-day experiment for “Building Things That Compound”
Test “Building Things That Compound” through a small, reversible 90-day experiment. The objective is evidence and reusable learning, not proving the book right.
WORKBOOK SEQUENCE
- 01
State the practical hypothesis suggested by: Trade hours for assets. The early years are for planting things that keep paying long after you stop touching them.
- 02
Choose one observable signal from each theme: Income Ends When You Stop; The New Asset Classes; Owning Beats Renting; Make Today Keep Working Tomorrow; The Printing Press Was Not Just Faster Writing; Small Assets Become Large Systems; Build for Use, Not Display; The Portfolio Mindset; Maintenance Is Part of the Asset; The Human Part of Compounding; The Early Advantage.
- 03
Set a baseline, weekly action, success threshold, cost ceiling and explicit stop condition.
- 04
Review at days 30, 60 and 90; preserve useful examples, distribution or evaluation assets even if the hypothesis fails.
EXPECTED OUTPUT
Leave with a decision artifact.
A 90-day experiment brief with baseline, weekly cadence, thresholds, checkpoints and a final keep/change/stop decision.