Estimated Tax Safe Harbor: 100% of Last Year or 90% of This Year?
The IRS penalized roughly 14 million taxpayers for underpaying their taxes during the year in fiscal 2023 — up from 12 million the year before…
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Home Office Deduction for Side Hustle Income: What Qualifies in 2026
A 150-square-foot spare bedroom, used only for a freelance design business, is worth $750 a year under one IRS method and $2,064 under the other….
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Buy Now Pay Later Hidden Costs: Why the Real Damage Isn’t the Interest Rate
Sixteen percent of U.S. adults used a buy now, pay later loan in the past year, and on the standard pay-in-four product the interest rate…
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The True Cost of a Bigger House: What 508 Extra Square Feet Costs Every Year
Five hundred and eight square feet. That is the gap between the median new single-family home completed in 2025 — 2,142 square feet, according to…
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Mega Backdoor Roth, Step by Step: The $47,500 of Roth Space Most 401(k) Savers Never Use
In 2026 the IRS caps everything that can land in a single 401(k) account — your deferrals, your employer’s match, and any after-tax dollars —…
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Decoy Effect Pricing: The Bias That Barely Replicates (And Still Costs You Money)
Across 91 separate attempts covering 23 product categories, marketing researchers Sybil Yang and Michael Lynn could only reproduce the decoy effect 11 times. That is…
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The Subscription Audit Checklist: How to Find the $133 a Month You Forgot You Were Paying
Ask an American what they spend on subscriptions each month and the average off-the-cuff answer is $86. Walk that same person through the categories one…
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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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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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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…
