How to Start Investing With $100: A 6-Step Walkthrough for 2026
If you have exactly $100 and want to know how to start investing with $100, here is the short version: open a brokerage account with…
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Status Quo Bias Financial Decisions: Auto-Enroll Defaults vs Active Choice, Compared
When a large company switched its 401(k) from opt-in to opt-out, participation among new hires jumped from 37% to 86% without a single change to…
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Sunk Cost Fallacy Investing: 6 Ways It Quietly Drains Your Portfolio
Sunk cost fallacy investing mistakes cost real money: in one landmark study of 10,000 brokerage accounts, investors sold 14.8% of their winning positions but only…
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Roth IRA vs Traditional IRA in Your 20s: When “Always Roth” Is Wrong
If you are 25, earn a middling salary, and want to know whether Roth IRA vs traditional IRA in your 20s is really a one-sided…
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Index Fund vs Target Date Fund: Which to Choose in 2026?
If you are choosing between an index fund vs target date fund for your retirement account, the short answer is that both can work, and…
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Ostrich Effect Investing: Why You Stop Checking Your Portfolio When It Matters Most
Investors in one large study logged in to their accounts 9.5% less often after the market dropped, which is exactly when a calm look at…
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Gambler’s Fallacy Investing Mistakes: Why Your Portfolio Is Never “Due”
On the night of August 18, 1913, the ball at a Monte Carlo roulette table landed on black 26 times in a row. By the…
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Three Fund Portfolio for Beginners: A Complete Guide to Building One in 2026
You can build a diversified, global investment portfolio out of just three index funds, spend about ten minutes a year maintaining it, and pay a…
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Dollar Cost Averaging vs Lump Sum Investing: What 47 Years of Data Say About Your Windfall
You just received $30,000 from a bonus, an inheritance, or a house sale, and the market is sitting near highs. The question of dollar cost…
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Sunk Cost Fallacy in Personal Finance Decisions: A Deep Dive
A $2,400 car repair on a car worth $3,000 feels like a fair price if you already spent $1,800 on the last repair. It isn’t,…
