Money, home, and safety guides for U.S. households

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math included.

Plain-English guides to taxes, household bills, home repairs and safety, and the scams and tech problems that cost people money. Each one names the government or manufacturer source it relies on, and the calculators show their working.

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ChecklistOct 30, 2026 · Home Systems · 3 min readDryer Fire Prevention: Lint, Vents, and the Outside Flap

Failure to clean is the leading factor in home dryer fires. Clean the lint filter every load, check the vent behind the dryer, and make sure the outside flap opens.

ChecklistOct 30, 2026 · Home Systems · 4 min readKitchen Fire Safety: Prevent a Grease Fire, and Put One Out

Cooking causes more home fires than anything else, and Thanksgiving is the peak day. Stay with the pan, keep a lid nearby, and never use water on a grease fire.

GuideOct 30, 2026 · Everyday guides · 3 min readTurkey cooking time by weight, at 325 °F

At 325 °F, a 12 to 14 pound unstuffed turkey takes 3 to 3¾ hours and a 20 to 24 pound bird 4½ to 5 hours. USDA’s full chart, stuffed and unstuffed, and the 165 °F test.

GuideOct 29, 2026 · Everyday guides · 3 min readHow long leftovers last in the fridge and freezer

Leftovers keep 3 to 4 days in the refrigerator and 3 to 4 months in the freezer, if chilled within 2 hours. USDA rules for cooling, storing, and reheating to 165 °F.

GuideOct 29, 2026 · Everyday guides · 3 min readHow to thaw a turkey: times by weight

Thaw a turkey in the refrigerator at about 24 hours per 4 to 5 pounds, or in cold water at 30 minutes per pound. USDA times by weight, and when to start for Thanksgiving.

GuideOct 28, 2026 · Everyday guides · 3 min readHoliday lights electricity cost: LED vs incandescent

Watts times hours times your rate: a season of LED lights often costs a few dollars, while large incandescent bulbs can cost dozens. Worked examples and safety checks.

35 PAGESTaxes and money

Taxes and money

New deductions and credits, retirement and HSA limits, mortgages, credit reports, and the IRS figures that change every year, each with a worked example.

All money guides ↗
GuideEveryday guides · 4 min readAdoption tax credit 2026: $17,670, partly refundable

The 2026 adoption credit is up to $17,670 per child, and up to $5,120 of it is refundable. Income limits, which expenses qualify, when to claim, and special needs rules.

GuideEveryday guides · 3 min readWhat affects your credit score, and what does not

Credit scores run from 300 to 850 and rest on five things: on-time payments, how much of your limits you use, history length, new applications, and the mix of accounts.

GuideEveryday guides · 3 min readFree credit reports: weekly, from one official site

Get a free credit report from Equifax, Experian, and TransUnion every week at AnnualCreditReport.com. How to order, what to check, and look-alike sites to avoid.

GuideEveryday guides · 4 min readDependent care FSA limit 2026: $7,500

From 2026 up to $7,500 of dependent care benefits can be tax-free, up from $5,000. How the FSA works with the child care credit, and how to choose during open enrollment.

GuideEveryday guides · 3 min readTraditional IRA deduction limits 2026, by income

For 2026 a traditional IRA deduction phases out at $81,000 to $91,000 for single filers covered by a workplace plan and $129,000 to $149,000 for couples. Every range.

GuideEveryday guides · 3 min readGift tax 2026: the $19,000 exclusion and $15 million

In 2026 you can give $19,000 to each person without filing a gift tax return, and the lifetime exclusion is $15 million. When Form 709 is due, and what never counts.

25 PAGESEnergy, bills, and car costs

Energy, bills, and car costs

What appliances, heating, and charging an EV cost at your electricity price, how to read a bill, and what actually improves gas mileage.

Home and energy ↗
GuideEveryday guides · 3 min readHoliday lights electricity cost: LED vs incandescent

Watts times hours times your rate: a season of LED lights often costs a few dollars, while large incandescent bulbs can cost dozens. Worked examples and safety checks.

GuideEveryday guides · 3 min readWinter car checklist: what NHTSA says to check

Check tire pressure and tread, the battery, wipers and winter fluid, coolant, and lights, then pack a winter kit. NHTSA’s checklist, and what to do if you get stranded.

ExplainerHome Systems · 4 min readSmart Thermostat Settings That Save Energy

Heating and cooling are almost half the average home energy bill. The ENERGY STAR setback schedule, where to mount a thermostat, and what certified smart models do.

GuideEveryday guides · 7 min readElectricity rates by state: July 2026, ranked

Residential electricity averaged 18.31¢ per kWh in July 2026, from 12.72¢ in Louisiana to 48¢ in Hawaii. All 50 states and D.C., the change, and what 1,000 kWh costs.

GuideEveryday guides · 4 min readTire pressure: the right PSI, and why the light comes on

The right PSI is on the driver’s door label, not the tire sidewall, and it is for cold tires. Why the TPMS light comes on in cold weather, and the federal 25% rule.

CalculatorEveryday guides · 4 min readCost to charge an electric car at home, calculated

Home charging costs kWh per 100 miles times your electricity rate. At the U.S. average of 18.3¢ per kWh, a typical EV runs about $5.50 per 100 miles. Calculate yours.

47 PAGESHome safety and repairs

Home safety and repairs

Safe checks before calling a professional: heaters and carbon monoxide, breakers and GFCIs, water heaters and leaks, appliances, and food safety.

All home guides ↗
ChecklistHome Systems · 4 min readKitchen Fire Safety: Prevent a Grease Fire, and Put One Out

Cooking causes more home fires than anything else, and Thanksgiving is the peak day. Stay with the pan, keep a lid nearby, and never use water on a grease fire.

GuideEveryday guides · 3 min readTurkey cooking time by weight, at 325 °F

At 325 °F, a 12 to 14 pound unstuffed turkey takes 3 to 3¾ hours and a 20 to 24 pound bird 4½ to 5 hours. USDA’s full chart, stuffed and unstuffed, and the 165 °F test.

GuideEveryday guides · 3 min readHow long leftovers last in the fridge and freezer

Leftovers keep 3 to 4 days in the refrigerator and 3 to 4 months in the freezer, if chilled within 2 hours. USDA rules for cooling, storing, and reheating to 165 °F.

GuideEveryday guides · 3 min readHow to thaw a turkey: times by weight

Thaw a turkey in the refrigerator at about 24 hours per 4 to 5 pounds, or in cold water at 30 minutes per pound. USDA times by weight, and when to start for Thanksgiving.

ChecklistHome Systems · 3 min readDryer Fire Prevention: Lint, Vents, and the Outside Flap

Failure to clean is the leading factor in home dryer fires. Clean the lint filter every load, check the vent behind the dryer, and make sure the outside flap opens.

ChecklistHome Systems · 4 min readCarbon Monoxide Alarms: Where to Put Them and What to Do

Put CO alarms on every level and outside sleeping areas, test them monthly, and if one sounds, get outside and call 911 before looking for the source. The CPSC rules.

11 PAGESScams and online safety

Scams and online safety

How the common scams work — gift cards, fake tech support, toll texts, SIM swaps — and what to do, in order, if one reached you.

Security and scams ↗
ChecklistConsumer Tech · 3 min readOpen Enrollment Scams: Medicare and Marketplace Look-Alikes

During open enrollment, look-alike sites and search ads pose as Medicare.gov and HealthCare.gov. Type the address yourself, check for .gov, and know the real numbers.

ChecklistConsumer Tech · 4 min readSIM Swap and Port-Out Fraud: How to Lock Your Number

In a SIM swap or port-out, a criminal moves your number to their device and gets your texts and codes. The FCC rules carriers follow, and how to protect your number.

ChecklistConsumer Tech · 3 min readHow to Stop Robocalls and Scam Calls

Cut robocalls by combining carrier or app call blocking, the Do Not Call Registry, and a few habits. What the law allows, what it bans, and how to report calls.

TroubleshootingConsumer Tech · 3 min readUnpaid Toll Text? It Is Probably a Scam

A text saying you owe unpaid tolls, with a link to pay, is a common phishing scam. How to check with the real tolling agency, report the text, and recover if you paid.

ChecklistConsumer Tech · 3 min readOnline Shopping Scams: How to Check a Seller Before You Pay

Fake stores advertise brand-name goods at unusually low prices, often on social media. Check the seller, pay by credit card, keep records, and know your shipping rights.

ChecklistConsumer Tech · 4 min readTech Support Scams: Pop-Ups, Calls, and Fake Renewals

Real security warnings never ask you to call a number, and tech firms do not call about viruses. How tech support scams work, and what to do after giving remote access.

36 PAGESTechnology at home

Technology at home

Slow Wi-Fi, backups, phone storage and batteries, printers, and the computer problems that have a cause you can test.

All tech guides ↗
TroubleshootingConsumer Tech · 3 min readCamera Not Working in Windows? Check These in Order

Most webcam failures in Windows come from a privacy switch, a camera permission, another app holding the camera, or a driver. Microsoft’s checks, fastest first.

ChecklistConsumer Tech · 3 min readBefore You Sell or Trade In an iPhone: The Checklist

Back up, transfer with Quick Start, unpair your Apple Watch, sign out of your Apple Account, then erase the iPhone. Apple’s order, and the step not to do first.

ChecklistConsumer Tech · 3 min readHow to Back Up an Android Phone to Your Google Account

Android backs up apps, call history, contacts, settings, and messages to your Google Account, with 15 GB free. How to turn it on, back up now, and restore to a new phone.

ChecklistConsumer Tech · 3 min readHow to Back Up an iPhone: iCloud or a Computer

An iPhone backs up to iCloud automatically when charging, locked, and on Wi-Fi, or to a Mac with a cable. How each works, how to check it, and when to encrypt.

ExplainerConsumer Tech · 2 min readIs Public Wi-Fi Safe? What Actually Protects You

The FTC says public Wi-Fi is usually safe now because most sites encrypt traffic. What still matters: checking for https, spotting fake sites, choosing a VPN carefully.

ChecklistConsumer Tech · 4 min readWindows 10 Extended Security Updates, Now Through 2027

Microsoft extended Windows 10 consumer security updates to October 12, 2027. Who can enroll, the free and $30 options, what it covers, and when to upgrade instead.

13 SHOWNCalculators

Calculators that show the math.

Every calculator states its formula and assumptions beside the result and runs in your browser; nothing you type is sent to us.

All calculators ↗
CalculatorNo tax on overtime: how the deduction actually works

Only the “half” of time-and-a-half is deductible, up to $12,500 ($25,000 joint). See the IRS examples, the income phase-out, and estimate your own deduction.

CalculatorNo tax on tips: who qualifies and how much you can deduct

Qualified tips in listed occupations are deductible up to $25,000 per return, phasing out above $150,000 of income. See what counts as a tip and estimate yours.

CalculatorCar loan interest deduction: which loans and cars qualify

Interest on a loan for a new, U.S.-assembled car bought for personal use after 2024 is deductible up to $10,000 a year. Check the rules and estimate yours.

CalculatorThe $6,000 senior deduction: who gets it and how it phases out

For 2025, anyone born before Jan. 2, 1961 can deduct an extra $6,000, less 6% of income over $75,000 ($150,000 joint). Check eligibility and estimate yours.

CalculatorSALT deduction cap: $40,000 for 2025, $40,400 for 2026

The state and local tax deduction cap rose to $40,000 for 2025 and $40,400 for 2026, then shrinks above $500,000 of income. Calculate your cap and whether to itemize.

CalculatorCost to charge an electric car at home, calculated

Home charging costs kWh per 100 miles times your electricity rate. At the U.S. average of 18.3¢ per kWh, a typical EV runs about $5.50 per 100 miles. Calculate yours.

Calculator2026 tax brackets and standard deduction, calculated

The 2026 federal brackets run from 10% to 37%, and the standard deduction is $16,100 single or $32,200 joint. See every threshold and calculate your 2026 income tax.

CalculatorChild and dependent care credit for 2026: up to 50%

From 2026 the child and dependent care credit can pay up to 50% of $3,000 in care costs for one child or $6,000 for two or more. See your rate by income and calculate it.

CalculatorAppliance energy cost calculator

Compare running costs for up to twelve appliances using your own electricity rate, model daily schedules, and see where the savings actually are.

CalculatorMortgage payment calculator

Estimate a monthly mortgage payment with principal, interest, property tax, insurance, and HOA dues shown separately, so you can see what drives it.

CalculatorLoan payment calculator

Estimate a fixed-rate monthly principal-and-interest payment and the total interest over the term, so you can see what a longer term really costs.

CalculatorGenerator sizing calculator

Screen continuous and starting-watt capacity from the loads you plan to run, the largest startup surge, and visible headroom.

CalculatorWi-Fi symptom diagnosis

Separate a single slow device from coverage, congestion, and an upstream internet fault, and get the next controlled test to run.

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Practical Atlas is published by Eigenlabs. Every page lists the primary sources it relies on and the date it was last checked against them; corrections are made in place and recorded. AI tools assist with drafting, and our AI use policy explains how.

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