Practical personal finance, without the performance
Make the next money decision clearer.
Use plain-English guides, calculators, and spreadsheets to work through budgets, debt, mortgages, retirement, and investing—one decision at a time.
Start with the question
What are you trying to work out?
You do not need a complete financial reinvention today. Pick the decision already taking up space in your head.
Give every dollar a job.
Use the zero-based budget spreadsheet to see income, spending, and the gap in one place before you decide what to cut or move.
Useful beats inspirational
Use a tool, not another pep talk.
These are working resources with the arithmetic built in. Change the inputs, compare the routes, and keep the result that fits your real life.
Spreadsheet · Monthly planningZero-Based Budget Spreadsheet
Assign income across bills, goals, and everyday spending, then see whether the month balances.
Build the monthly plan →
Calculator + download · DebtSnowball vs. Avalanche
Compare payoff order, time, and estimated interest instead of guessing which debt strategy suits you.
Compare both methods →
Calculator · RetirementCoast FIRE Number Calculator
Test whether current investments could grow toward a future target using transparent, adjustable assumptions.
Check the projection →Go deeper when you need to
Explore every part of your money.
Financial independence is one destination, not the only reason to get clearer. Use the path that matches the decision in front of you.
Spend with more intention
Make expensive decisions visible
Widen the gap carefully
Plan beyond this month
Worth reading
Three guides that show the range of the site.
These are not category pages. Each one works through a specific decision with the assumptions and tradeoffs left visible.
Community bookmarks
Useful for lived experience and edge cases that a single guide cannot cover.
Forum posts are experience and debate, not verified instructions or personalized financial advice.
One useful move is enough
You do not have to solve your whole financial life today.
Choose one question, use the relevant numbers, and leave with a next step you can explain to yourself.
Browse by money questionThe history, stated plainly
Born in the FIRE community. Broader now.
Frugal Harpy began as a pseudonymous personal FIRE blog, and that original story was cited in coverage by Vox and Marie Claire. Today the site continues under new stewardship as an independent library of practical money guides and tools—without pretending the original author’s story belongs to someone else. Read about the site.