Compound Interest
See how a starting amount and monthly habit grow over time.
Open calculator → Simple money tools for real-life decisions
Make money decisions with the math in front of you.
Simple calculators, plain-English guides, and honest comparisons for retirement, mortgages, credit cards, and everyday money choices.
✓ No jargon
✓ No login
✓ No black box
Start here
What are you trying to do?
Pick the action and we'll send you straight to the page that helps — calculator, comparison, or guide.
Compare credit cards
Cash back, balance transfer, travel — six picks.
Compare mortgage rates
Eight lenders, sorted by APR.
Plan for retirement
The 25× rule, three example households.
Run a mortgage payment
Full PITI + PMI, with amortization.
Start investing
Your first $1,000, and what to skip.
See compound growth
$1,000 + a monthly habit, year by year.
Popular tools
Calculators that show the math.
No account, no email gate, no black box. Change the numbers and see what drives the answer.
Mortgage Payment
Calculate the full monthly cost: principal, interest, taxes, PMI, and HOA.
Estimate payment →Retirement Number
Work backward from future spending to a realistic savings target.
Find your number →Cost of Living
Compare U.S. cities on an interactive map — what your salary needs to be in another metro.
Open map →Best picks
Compare without the confusion.
Shortlists built around real use cases, not endless tables.
Updated monthly
Best credit cards by job
Flat cash back, balance transfer, travel, groceries, and everyday rewards — each card chosen for a specific reason.
Compare cards →Rate watch
Mortgage rates and lenders
Sample rates, lender fit, and payment estimates so home buyers can pressure-test offers before applying.
View lenders →Fresh guides
Plain-English answers before big decisions.
Helpful, skimmable explanations that connect directly to calculators and comparison pages.
How much do I need to retire?
The 25× rule, what it leaves out, and how to make the number yours.
Read guide →How to start investing with $1,000
Where to open the account, the one fund to buy, and the four things to skip.
Read guide →Mortgage APR vs rate
Why the lowest rate may not be the cheapest mortgage.
Read guide →