Home Office Deduction Side Hustle Rules: The 6-Step 2026 Walkthrough
Five dollars per square foot, capped at 300 square feet. That’s the entire simplified home office deduction — a maximum of $1,500 a year, per…
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The HSA Triple Tax Advantage, Explained: The Third Leg Most People Throw Away
Americans held nearly $174 billion in health savings accounts at the end of 2025, spread across 41.7 million accounts. Only about 4.2 million of those…
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Treasury Bills vs HYSA: The State Tax Math That Actually Decides It (2026 Rates)
As of August 6, 2026, the 3-month Treasury bill was yielding 3.82%, while the best high-yield savings accounts were advertising APYs in the 4.15% to…
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Endowment Effect Examples: 5 Places Ownership Quietly Doubles What You Think Things Are Worth
In a Cornell classroom in 1990, half the students were handed a $6 coffee mug and the other half were handed nothing. When both groups…
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Ostrich Effect Investing: What Eleven Months of Not Looking Actually Costs
Researchers with access to 1.2 million Vanguard accounts found something uncomfortable: the day after the Dow falls, the number of investors who log in to…
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Recency Bias Investing: Why “What’s Working Now” Is the Worst Signal You Can Follow
Between January 2016 and December 2025, U.S. mutual funds and ETFs returned 9.9% a year. The average dollar actually invested in those same funds earned…
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401k Rollover Options When You Change Jobs: The Four Choices, Compared
In a peer-reviewed study of 162,360 employees leaving 28 different retirement plans, 41.4% cashed out their 401(k) at job separation — and most of them…
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Backdoor Roth IRA Step by Step: The 2026 Rules and the Trap That Costs Most People Money
In 2026 the Roth IRA front door slams shut at $168,000 of modified adjusted gross income for single filers and $252,000 for married couples filing…
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Sunk Cost Fallacy Personal Finance Decisions: A $6,300 Case Study in Letting Go
In 1985, two psychologists asked people to imagine they were an airline president who had already sunk $9 million into a plane a competitor had…
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The One Bank Account System: Minimalist Finances That Actually Hold Up
The average American savings account paid 0.38% APY in mid-2026, according to FDIC national rate data — while the best high-yield accounts were paying 4.00%…
