Guides

Calculator guides & articles

The reasoning behind the numbers — how to estimate a project, plan your taxes, read your health metrics, and make everyday math easy.

Construction

A new asphalt roof recoups about 60% of its cost at resale — but the bigger value is that it often lets the home sell at all.

Construction

New siding is one of the highest-return exterior projects — fiber cement recoups roughly 80–88% of its cost at resale.

Construction

A wood deck recoups about 50–83% of its cost at resale. Here's how material, size, and your market change the return.

Construction

Metal costs about twice as much upfront but lasts two to three times longer. Here's how to decide based on how long you'll stay.

Construction

Gutter guards run about $1,000–$3,500 installed. Here's how to weigh that against years of cleaning bills and water-damage risk.

Construction

Concrete is sold by the cubic yard (27 cubic feet). Here's how to size a pour and decide between bags and ready-mix.

Construction

A roofing square is 100 square feet. Here's how to convert your roof's footprint and pitch into squares and shingle bundles.