Guides

Learn the math, keep the margin

Short, practical guides on estimating, pricing, and quoting — written for contractors who'd rather be on the job than in a spreadsheet.

How to Quote a Painting Job (Without Underbidding)
The full walkthrough: measure, price materials, labor, markup — and send it.
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How Much Does It Cost to Paint a 12×12 Room?
DIY vs pro pricing, gallons needed, and what moves the number.
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How Much Does a Roof Replacement Cost in 2026?
Real US price ranges by material, what drives the quote up, and how to estimate it.
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How Many Gallons of Paint for a 2,000 Sq Ft House?
Interior, ceilings, trim, and exterior — the real gallon counts.
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How Many Squares of Shingles Do I Need? (Chart)
Roofing squares by home size, pitch-adjusted, plus the bundle math.
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Roof Pitch Multiplier Chart (3/12–12/12)
Footprint to true roof area for every common pitch.
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Painting Estimate Template: What to Include (Free)
The 8 parts every professional painting quote needs.
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How Many Bundles of Shingles Per Square?
The standard 3-bundle count, the exceptions, and the order math.
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Interior Painting Cost Per Square Foot (2026)
Real 2026 US price ranges per square foot — and what moves your number.
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Quote vs Estimate vs Bid: What to Send When
What each document means, when to send it, and which one protects you.
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How to Quote a Pressure Washing Job (2026)
Per-sq-ft rates by surface, minimum charges, and the walkthrough pros use.
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How to Bid a Fence Staining Job (2026)
Per-linear-foot pricing, stain math, and the upsells that stack margin.
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How to Quote a Siding Job (2026 Guide)
Squares, material tiers, trim, and tear-off — the bid that wins.
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How to Quote a Tile Installation Job
Setting materials, labor per sq ft, and the extras that eat margin.
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Cost to Replace All Windows in a House (2026)
Per-window prices by material and whole-house ranges.
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Mini Split Installation Cost in 2026
Per-zone pricing, what drives the bid, and when it beats central air.
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Gutter Installation Cost Per Linear Foot (2026)
Aluminum, steel, and copper pricing plus downspouts and guards.
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How to Bid a Concrete Slab Job (2026)
Yardage, forming, rebar, finishing, and site conditions.
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Paver Installation Cost Per Square Foot (2026)
Materials, base, and labor for patios, walkways, and driveways.
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LVP Flooring Installation Cost Per Sq Ft (2026)
Material grades, labor, and the prep work that decides the bid.
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Cost to Epoxy a 2-Car Garage in 2026
DIY kit math vs pro pricing — and what drives the bid.
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Siding Installation Cost Per Square Foot (2026)
Vinyl, fiber cement, wood, and metal pricing plus tear-off.
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