Chapter 13: The playbook

Twelve chapters ago, cash was something a bank quietly underpaid you for, and a bond was a word that meant "safe" right up until it fell 13% in a year. Now the safe shelf has aisles you can name, every aisle has a price tag you can read, and the two questions from Chapter 1 still sort everything: when do you need the money, and what stands behind it. This final chapter compresses the whole guide into the pages you will actually reuse: one decision tree, one recipe card, one hour a year, eight verdicts, a glossary, and every number this guide leaned on, dated and sourced, in a single table.

The other twelve chapters explain. This one operates.

Where does each dollar park?

Start every cash decision with the date. Money you will spend this month stays in checking with a small cushion, because convenience is its whole job. Money with no date but a need to stay reachable, the emergency fund above all, belongs in a high-yield savings account or a government money market fund, with T-bills as the upgrade once the state-tax edge matters to you. Money with a known date inside roughly five years, the tuition bill, the roof, the tax payment, wants a bill or CD rung maturing just before the date, so the dollars arrive on schedule no matter what rates do. Money with no date and a five-year-plus horizon, the bond slice of a long-term allocation, suits a core fund whose duration sits at or under that horizon. And money that is far away and must keep its purchasing power points at TIPS or I bonds, the two instruments from Chapter 9 that promise groceries rather than dollars. Insurance is the second pass on every branch: FDIC behind banks, SIPC custody plus the fund's own structure behind brokerage products, the full faith and credit of the Treasury behind bills, notes, bonds, TIPS, and I bonds.

The ladder recipe card

Chapter 4 built this slowly; here it is on one card, with the dated June 2026 numbers you must replace with live ones.

The safe-money hour, once a year

Cash management fails by neglect, never by difficulty, so the maintenance plan is one scheduled hour a year, four blocks of fifteen minutes. Mara runs hers in March against her tax folder; the month matters less than the calendar entry.

Minutes 0–15, the rate check. List every account that can hold cash, sweeps included, and write today's rate next to each. Compare against the current board: when this guide went to press the spread ran from a 0.38% national average savings rate (FDIC, May 2026) to about 4.0–4.25% APY at top online accounts (aggregator data, June 2026), with big money funds near 3.45% (Crane, June 11, 2026) and the 13-week bill at 3.73% (June 8, 2026 auction). Any dollar earning the bottom of that spread without a reason gets a new address before minute fifteen.

Minutes 15–30, the coverage check. FDIC totals per bank, per ownership category, $250,000 per cell of the Chapter 11 grid. SIPC at each broker: $500,000 including the $250,000 cash sublimit. Chapter 12's SVB file is the reason this block exists; 94% of that bank's deposits sat over the line at year-end 2022, and the depositors under it lost nothing.

Minutes 30–45, duration against horizon. For every bond fund you own, pull the duration from the fund page (the core aggregate fund shows 5.78 years and the 20+ year Treasury fund 15.39 as of June 11, 2026, per iShares) and set it against the date you expect to want the money. FINRA's rule of thumb does the rest: a 1-point rate move shifts the price by about the duration number in percent. A mismatch here is the single most expensive quiet error on the safe shelf, and 2022 graded it at −13.0% and −31.4%.

Minutes 45–60, the rebalance look. Confirm autoroll matches the plan, confirm maturing rungs land before the bills they pay, use the I bond annual window if this is the year for it ($10,000 per person per calendar year), check beneficiaries, and put next year's hour on the calendar. Then stop. The hour ends the way Chapter 11's audit did: with permission to ignore all of it until next year.

The aisle verdicts

Eight aisles, eight verdicts, each one a compressed chapter.

The glossary

Thirty terms cover this guide's working vocabulary. Each has a home chapter where it earned a full explanation; this list exists for the moment a word stops you mid-sentence.

• APY: the yearly interest rate after compounding, the only fair way to compare savings accounts (ch. 1).
• Autoroll: an instruction that reinvests a maturing bill into the next auction automatically (ch. 4).
• Bill: a Treasury maturing in 4–52 weeks, sold at a discount and paid at face value (ch. 3).
• Bond: at the Treasury store, the 20–30 year maturity with coupons; generically, any tradable loan (ch. 2–3).
• Breakeven inflation rate: the inflation guess priced into markets, found by subtracting the TIPS real yield from the nominal yield (ch. 9).
• Brokered CD: a bank CD resold through a broker, often with a markup in the price and exits only at market value (ch. 7).
• Composite rate: an I bond's total rate, the fixed rate combined with the inflation adjustment (ch. 9).
• Coupon: the fixed interest payment a note or bond makes, set at issue and unchanged for life (ch. 2).
• Credit spread: the extra yield a riskier borrower pays over Treasuries, the price tag on worry (ch. 7).
• Discount rate: the auction rate quoted off a bill's face value; lower than the investment rate on the same bill (ch. 4).
• Duration: the seat-distance number; roughly how many percent a bond's price moves per 1-point rate change (ch. 6).
• Extension risk: the chance mortgage bonds pay back slower exactly when you wish the money were free (ch. 10).
• FDIC: the federal insurer of bank deposits, $250,000 per depositor, per bank, per ownership category (ch. 1, 11).
• Government money market fund: a money fund holding short-term government paper, the boring kind on purpose (ch. 11).
• High-yield (junk) bond: a bond rated below investment grade, paying more because default is a live question (ch. 7).
• I bond: an inflation-protected savings bond, bought at TreasuryDirect, capped at $10,000 per person per year (ch. 9).
• Investment rate: a bill auction's yield expressed on the money you actually invest; the number to compare with APYs (ch. 4).
• Ladder: a set of bills or CDs maturing in sequence so cash is always near and the yield stays current (ch. 4).
• Money market deposit account: a bank account with FDIC insurance behind it, despite the fund-like name (ch. 1).
• Municipal bond: a state or local government bond whose interest is federally tax-free, and often state-tax-free in state (ch. 7).
• Noncompetitive bid: an auction order that accepts the auction's rate and always gets filled, up to $10 million (ch. 3).
• Note: a Treasury maturing in 2–10 years, paying coupons twice a year (ch. 3).
• Ownership category: the FDIC's account groupings (single, joint, certain retirement, and others), each insured separately (ch. 11).
• Prepayment risk: the chance mortgage bonds hand money back early exactly when reinvesting pays less (ch. 10).
• Prime money market fund: a money fund reaching into corporate paper for extra yield; where 2008's trouble lived (ch. 12).
• SIPC: the protector of brokerage custody, $500,000 including $250,000 for cash, never of market losses (ch. 11).
• Sweep account: where brokerage cash waits between jobs; a lobby with a posted rate worth reading (ch. 11).
• Tax-equivalent yield: a muni yield divided by one minus your marginal rate, for fair comparison with taxable yields (ch. 7).
• TIPS: Treasuries whose principal adjusts with CPI, promising purchasing power with a deflation floor at maturity (ch. 9).
• Yield to maturity: the all-in annual return from buying a bond today and holding it to its final payment (ch. 2).

How current are these numbers?

Treat every figure below as already stale. Rates move, the next FOMC meeting was days away when this guide's data was pulled in June 2026, and your first job with this table is replacing the dated numbers with today's, using the same sources listed beside them. The facts in the lower half, the insurance limits, the tax rules, the history, change rarely or never, but the rates in the upper half change as a matter of routine. The table's purpose is not the numbers themselves; it is that every claim in thirteen chapters traces to a named source and a date, which is the standard you should hold any future pitch to as well.

Every number, dated and sourced

Deep tax questions, brackets, NIIT planning, and muni math beyond Chapter 7 belong to the Finvest Tax Playbook; emergency-fund sizing and household budgeting live in the Personal Finance Guide; the mechanics of fund wrappers are the ETFs & Funds Guide's territory, and its Chapter 7 pairs with this guide's Chapter 8 on the funds-versus-ladders question.

The meta-lesson

Step back far enough and thirteen chapters compress into one idea with two halves. Cash wants an address: every idle dollar is parked somewhere, the default parking spots pay the least, and moving to a better one is usually a single order. Bonds want a date match: the only bond risk that regularly hurts ordinary savers is a clock mismatch, money needed soon riding a duration built for later, and the fix is printed on every fund page as a single number. Rates will move the week after you read this, and the month after that. The tree, the recipe, the hour, and the verdicts do not move at all, which is exactly why the boring money, properly addressed, finally gets to do its quiet work.

Key takeaways

• The date picks the shelf: checking for this month, HYSA or a government money fund for undated reachable money, rungs for dated money inside five years, a duration-matched core fund beyond that, TIPS or I bonds for far-off purchasing power.
• The starter ladder is four $5,000 rungs of 13-week bills on autoroll: $746 a year at the June 8, 2026 rate of 3.73%, state-tax free, with cash never more than about three weeks away.
• One safe-money hour a year covers everything: rates against the board, FDIC and SIPC against the limits, duration against horizon, then the rebalance look and the calendar entry.
• Eight verdicts settle the aisles, and the seller's-pitch test guards the door: any product that cannot explain its own economics out loud stays out of the cart.
• Every number in this guide carries a date because rates move; your first job with the table above is replacing it with today's, from the same sources.

Sources: TreasuryDirect T-bills · TreasuryDirect I bonds · TreasuryDirect auction results · TreasuryDirect tax treatment · Treasury daily yield curve · FDIC deposit insurance FAQ · FDIC national rates · SIPC: what SIPC protects · FINRA on duration · Investor.gov: the T+1 settlement cycle · IRS Topic 403 · IRS NIIT · IRS 2026 inflation adjustments · ICI money market fund data · iShares AGG · iShares TLT · CFPB on CDs · SEC 2023 money fund reform · NY Fed on 2008 money funds · Federal Reserve SVB report · Finvest Personal Finance Guide · Finvest Tax Playbook · Finvest ETFs & Funds Guide · Finvest Stocks Guide