Buying and Selling
Is a Certified Used Car Worth the Extra Cost?
Measure a certified used car's premium against warranty miles, time limits, inspection findings and borrowing costs, using Toyota's published terms.
Independent guides for car owners
What a car really costs, and when to stop paying it
Plain-language guides on what owning a car costs: repairs, maintenance intervals, warranties, and the arithmetic behind keeping a car or replacing it.
Featured · Ownership Costs
When a Repair Costs More Than the Car Is Worth
The rule about never spending more than the car is worth is the wrong test. Here is the arithmetic that actually answers repair or replace.
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No affiliate links. No sponsored posts. Every article shows how an ownership cost is put together, with the sources cited and dated.
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Buying and Selling
The Sticker That Overrides Your Sales Contract
The Buyers Guide in a used car window is a federal document, and what it says beats anything contrary in the contract. How to read it before you sign.
Buying and Selling
Is Buying a Former Rental Car Worth It?
Compare a former rental with a matched used car using inspection costs, maintenance records, warranty limits and Enterprise's published buyback conditions.
Buying and Selling
Is a Flood-Damaged Car Worth the Discount?
Separate a flood-car price cut from inspection costs, hidden damage and insurance limits, with free VIN checks and a clearly labeled discount worksheet.
Buying and Selling
How Dealer Add-On Refunds Affect Your Car Loan
Follow a canceled warranty or GAP product from refund calculation to loan credit, with California contract rules and a labeled prorated refund example.
Maintenance
The 3,000-Mile Oil Change Is Over
California's own recycling agency says the 3,000-mile standard is out of date. Here is what decides your interval and what the sticker on the windscreen is for.
Ownership Costs
Repair or replace, warranties, depreciation and what the next five years cost.
Ownership Costs
When a Repair Costs More Than the Car Is Worth
The rule about never spending more than the car is worth is the wrong test. Here is the arithmetic that actually answers repair or replace.
Ownership Costs
What an Extended Car Warranty Actually Buys
Vehicle service contracts are sold as peace of mind and priced like insurance. Here is how to read one and decide whether yours is worth the money.
Ownership Costs
Electric or Gas: What Each Costs per Mile
A worked comparison of fuel and electricity costs per mile using current federal price data, and the three things that change the answer for your household.
Maintenance
Intervals that are real, jobs worth paying for, and the ones sold too early.
Maintenance
How Much to Budget for Car Maintenance and Repairs
Turn AAA's 2026 maintenance figure into a monthly starting allowance, then replace averages with your car's service schedule, tire costs and repair history.
Maintenance
The 3,000-Mile Oil Change Is Over
California's own recycling agency says the 3,000-mile standard is out of date. Here is what decides your interval and what the sticker on the windscreen is for.
Maintenance
When Your Tires Are Actually Worn Out
The wear bars, the legal minimum and the point where wet grip falls away are three different depths. What the federal rules say, and how to read the date code.
Buying and Selling
Used car checks, dealer paperwork, recalls and getting a fair price.
Buying and Selling
Used Car Buying Budget: Taxes, Fees and Selling Proceeds
Calculate a used-car purchase beyond the listing price, with tax, inspection and loan examples, then separate a trade-in or sale from the lender payoff.
Buying and Selling
Lease Buyout Cost: Residual, Taxes, Fees and Interest
Calculate a lease buyout beyond its residual value, with Texas's published tax rule, a labeled fee worksheet and the interest from financing the purchase.
Buying and Selling
Out-of-State Used Car Shipping Costs and Purchase Budget
Estimate transport with a provider's published open-carrier ranges, then add inspection, tax, delivery conditions and a comparison with local buying.