Thoughts on personal finance, financial infrastructure, spreadsheet workflows, and building tools that respect your data.
Investing | Retirement
A lower-income year can open a Roth conversion opportunity. Learn how to compare partial conversions, estimate the tax cost, and check the five-year rules.
September 12, 2026•7 min read
Investing
Check the 2026 401(k) and IRA limits, age-based catch-ups, and your remaining contribution room with a practical September payroll example.
September 8, 2026 •5 min read
Cash
The best verified savings rate we found is 4.21% APY, but it comes with qualification rules. Compare that headline rate with simpler savings and short-term Treasury options.
September 3, 2026 •6 min read
Investing
Compare 1% and 0.25% annual investment costs, see a 30-year fee-drag example, and learn how to calculate the fees across your own portfolio.
August 20, 2026 •4 min read
Finance
Understand liquid net worth, what to include, and why it differs from emergency savings. Compare total wealth, liquid assets, and cash runway.
July 16, 2026 •4 min read
Finance
Calculate net worth with a worked balance sheet. Learn how to count your home, mortgage, retirement accounts, and credit cards without double-counting.
June 18, 2026 •5 min read
AI Finance
You do not need a separate expensive AI finance subscription just to ask ChatGPT questions about your own accounts. The better model is a controlled financial data layer with read-only access.
June 15, 2026 •7 min read
AI Finance
Claude Code is useful for financial analysis when it can build on clean, current data. The better setup is a read-only Tablewealth data layer instead of pasted CSVs and one-off exports.
June 15, 2026 •7 min read
Finance
See median and average net worth by age using Federal Reserve Survey of Consumer Finances data, learn what counts in net worth, and compare your own number with a free calculator.
June 13, 2026 •8 min read
Spreadsheets
A practical guide to building a net worth tracker in Google Spreadsheets or Microsoft Excel where your data updates live, and your spreadsheet doesn't break.
May 1, 2026 •10 min read
Privacy
Before connecting bank, credit card, or brokerage data to ChatGPT, understand what AI can see, what it needs, and what should stay out of chat.
May 1, 2026 •8 min read