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Rent or buy? Lease or own? New or used? Our free calculators crunch the numbers so you don't have to.

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What Decision Are You Making?

Each calculator gives you a clear answer backed by real numbers. Pick the one that matters most right now.

Rent vs Buy

Should you rent or buy? See the real cost difference over 5, 10, or 30 years.

Average user saves $47K

Lease vs Buy Car

Leasing sounds cheap — but is it? Compare total costs including depreciation.

Buying saves $3K–$8K avg

Bulk Buying Savings

Does Costco actually save money? Factor in waste and storage costs.

Save $500–$1,500/year

Subscription Audit

You're probably paying for subscriptions you forgot about. Find out how much.

Avg $273/mo in subscriptions

Buy vs DIY

Is your time worth the savings? Compare cost vs time for any project.

Save $50–$200 per task

New vs Used Car

A 3-year-old car costs 40% less. But is it actually the better deal?

Used saves $12K on average

Refinance Calculator

Could a lower rate save you thousands? See your breakeven timeline.

0.25% = $15K+ saved

Extended Warranty

Retailers love selling warranties. The math usually doesn't love you back.

Only 15–20% payout rate

Car Affordability

How much car can you actually afford? Get a realistic budget based on your income.

20/4/10 rule applied

Auto Loan Calculator

Calculate your monthly payment, total interest, and full amortization on any car loan.

Pre-approve before the dealer

Car Cost of Ownership

The sticker price is just the start. See your true 5-year cost including everything.

Real cost is 32%+ above sticker

Car Depreciation

See exactly how much value your car will lose year by year.

Year 1 hit: 20–25%

Home Affordability

How much house can you actually afford? Get a realistic budget using the 28/36 rule.

28/36 rule + all costs included

Closing Costs

Don't get surprised at the closing table. Estimate every fee before you sign.

Typical: 2–5% of home price

Rent Affordability

How much rent can you afford without stretching thin? Uses the 50/30/20 framework.

Beyond the 30% rule

Mortgage Payoff

How much can you save by paying extra on your mortgage? See years and dollars saved.

$300/mo extra = $100K+ saved

Credit Card Payoff

Minimum payments are a trap. See how much faster you can be debt-free.

Min payments = 19 year trap

Pet Cost Calculator

A dog costs $20K–$40K over its lifetime. Are you financially ready?

True cost surprises most owners

Solar Panel ROI

Do solar panels pay for themselves? See your payback period and lifetime savings.

6–10 year payback typical

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How It Works

Three simple steps to a better buying decision.

Step 1

Choose a Calculator

Select the buying decision you need help with from our collection.

Step 2

Enter Your Numbers

Fill in your specific details like costs, timelines, and preferences.

Step 3

Get Clear Results

See visual comparisons and a clear recommendation based on your data.

Latest Guides

Smart Buying Guides

Expert advice to save money on your biggest purchases.

View all articles

Rent vs Buy in 2026: A Complete Guide to Making the Right Housing Decision

Should you rent or buy a home in 2026? We break down the true costs, hidden expenses, and key factors that determine which option saves you more money.

Leasing vs Buying a Car: Which Actually Saves You More Money?

A detailed comparison of leasing versus buying a car, including total cost analysis, depreciation impact, and when each option makes financial sense.

Does Bulk Buying Actually Save Money? The Surprising Truth

Bulk buying can save you hundreds per year or waste money if done wrong. Learn when buying in bulk makes sense and when to skip it.

Subscription Creep: You Are Probably Spending More Than You Think

The average person spends over $200/month on subscriptions. Learn how to audit your subscriptions and save hundreds per year.

Buy vs DIY: When Is It Actually Worth Doing It Yourself?

DIY can save money, but your time has value too. Learn how to calculate the true cost of doing it yourself versus buying or hiring a professional.

New vs Used Car: The Complete Total Cost of Ownership Breakdown

A new car loses 20% of its value in year one. But is used always cheaper? We compare every cost of owning new versus used vehicles.

View All Articles

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Every smart purchase starts with a comparison. Use our free calculators to make confident decisions backed by data.

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