The kits.

Every kit is built on the same six forces. What changes is the decision — the numbers that matter, the traps particular to it, and what it costs to get out.

KitThe decision it handlesStatePrice
The Decision KitAny commitment large enough to be worth thinking aboutAvailable$24 Founder / $39
The House Decision KitBuy, wait, or rent — and what the bank does not measureIn development—
The Career Decision KitLess money for more time; going independent; an offer you are unsure aboutPlanned—
The Family Money KitDecisions two people have to make togetherPlanned—

The method comes first because every situation kit is built out of it. If you buy The Decision Kit now, you already own the part the others are made from.