Money Guides

In-depth explainers written in plain English, with worked examples and figures checked against official sources.

Illustration of a house with a four-slice pie chart above it, representing the four parts of a PITI mortgage paymentFeatured guide

Mortgage Payment With Taxes and Insurance (PITI), Explained

The advertised mortgage payment is only part of the story. With taxes and insurance, a $400,000 home at 7.28% costs about $2,729 a month — roughly 25% more than principal and interest alone.

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Illustration of a house on rising steps with a key leaning against it, bar charts behindHome buying

How Much House Can I Afford on an $80k Salary?

Lenders may approve you for $341,000 on an $80k salary — but once taxes and insurance are counted, a comfortable budget is closer to $264,000.

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Illustration of a pay cheque with a large Texas Lone Star, coins and a cowboy hatPaychecks

Texas Paycheck Calculator Guide

No state income tax makes Texas paychecks bigger, but federal tax and FICA still take their share. See take-home pay across five 2026 salaries.

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Illustration of a path forking between an apartment building and a small house with a rising sun behind itHousing

Rent vs Buy: When Buying a Home Wins in 2026

With 2026 data from Zillow, Realtor.com and NAR: the simple 5% rule and five-year test that settle the rent-vs-buy question.

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Illustration of a house with a calculator and a rising bar chartHome buying

How Much House Can You Afford on a $75k Salary?

What a $75k salary really buys, with a full monthly-payment breakdown from principal to insurance.

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Illustration of a briefcase with banknotes and a rising line graphPaychecks

What Can a $100k Salary Afford? Home Buying Guide

Six figures opens real doors — see the price range, monthly costs and trade-offs on a $100k salary.

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Illustration of a house and an apartment building on a balance scaleHousing

Renting vs Buying a Home: The Complete Guide

Renting vs buying is really a question about time. See how equity grows year by year — and when each choice wins.

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Illustration of a house with a protective shield above it and a coin rising toward the shieldHome buying

How Much Is PMI Per Month? What You’ll Pay in 2026

Less than 20% down means PMI — roughly $150 to $250 a month on a typical loan. Here is how the number is set, how long you pay it, and five ways to shrink it.

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Frequently asked questions

How often do you publish?

We publish new guides regularly, each one fact-checked against official sources before it goes live.

Can I suggest a topic?

Yes — email hello@myknowledgedock.org with what you would like explained.