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Netflix, HBO Max, Disney+, Hulu, and Apple TV+ running year-round cost $887.40/year. Setting realistic seasonal active-months for each one dropped that to $331.80 — a 62% cut, no cancellations of things we'd actually miss.

We priced 5 days a week of adult day care at $85/day ($21,250/year) against the same coverage in paid home-aide hours ($76,500/year) — the option between quitting a job and a full facility move that most working caregivers overlook.

A 2026 survey pegs the average household's forgotten-subscription waste at $384/year; a separate 2025 survey put it at $204. We ran two typical forgotten charges through the math and got $169.87 — below average, still real money.

We ran a $15,000 home modification budget against a $5,900/month assisted-living alternative — if it buys 3 more years at home, the breakeven arrives in 3.8 months and net savings hit $125,400.

IRMAA isn't a progressive bracket. Cross a MAGI threshold by $1 and your entire Part B and Part D premium jumps to the next tier for the full year, based on income from two years prior.

We ran $200K cash, $25K/month burn, and $5K MRR growing 12%/month through a month-by-month simulator — the revenue ramp reaches breakeven before the static cash-divided-by-burn estimate would suggest the money runs out.

Netflix Premium at $24.99 plus two extra members at $9.99 each comes to $44.97/month. Three separate Standard plans at $17.99 each would run $53.97/month. Sharing wins by $9/month — but the margin has gotten thin.

We ran $200,000 of qualified business income through the calculator at $428,600 taxable income (MFJ) — $34,000 into the 2025 phase-in range. The W-2 wage limitation already cuts a non-SSTB business's deduction from $40,000 to $36,600.

A Qualified Charitable Distribution keeps donated RMD dollars out of your AGI entirely — which matters more than the direct tax savings once Medicare IRMAA and Social Security taxability enter the picture.

We ran a three-founder scenario (idea originator, technical co-founder, part-time investor-operator) through a transparent weighted formula — idea, time, capital, and experience — and the split moved meaningfully away from an even three-way default.

SECURE Act 2019 forced non-spouse heirs to empty an inherited IRA within 10 years. We compared equal-annual, lump-year-1, and lump-year-10 withdrawal strategies on the same balance.

IRC §1014 resets an inherited asset's cost basis to its value at death — erasing decades of unrealized gains for tax purposes. We ran the 15-year hold-vs-sell math on a real position size.

We ran a $5,000 international trip with a $250 Cancel-For-Any-Reason policy through the calculator — expected value turns positive above a 5% chance of cancelling, before even counting the medical-evacuation coverage most US health plans skip abroad.

The 2025 annual gift-tax exclusion is $19,000 per donor per recipient, $38,000 with spousal gift-splitting. We ran the 20-year math on a family with 3 children and 5 grandchildren.

We ran a textbook $7,000 backdoor Roth contribution through the calculator against a $93,000 old 401(k) rollover IRA sitting in the background — the pro-rata rule taxes 93% of the conversion, even though the new contribution itself was done correctly.