
How to evaluate an ETF before buying
Not all ETFs tracking the "same" index are the same. Here's what to look at beyond the name, expense ratio, tracking error, liquidity, and structure.
Thinking out loud about financial tools, privacy, and building in public.

Not all ETFs tracking the "same" index are the same. Here's what to look at beyond the name, expense ratio, tracking error, liquidity, and structure.

Most people scan their balance and move on. There's more in there than you think.

Both involve changing your portfolio based on what the market has done. One is disciplined and well-supported by evidence. The other has a poor track record.

Target allocation is the most important decision in investing, but most people either never set one or copy one without understanding why. Here's a framework.

Owning 50 stocks isn't the same as being diversified. Real diversification is about correlation, and most portfolios have less than you think.

What percentage of your portfolio should be in stocks vs bonds vs cash? The honest answer, and how to figure it out for yourself.

The 4% rule suggests you can withdraw 4% of your portfolio annually without running out of money. But it's not foolproof.

FIRE communities lean on spreadsheets more than almost any other personal finance approach. The reason isn't nostalgia, it's precision.

Net worth is the most important number in personal finance. Here's how to track it properly, and what most people get wrong.

Two methods, both work, one costs less. Here's the math on avalanche vs snowball debt payoff and how to decide which to use.

Three to six months of expenses is the standard advice. Here's how to calculate the right number for your specific situation, and where to keep it.

Savings rate is the most powerful lever in personal finance. How to calculate it correctly, set a target that fits, and build it over time.