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23 guides

Guides

Practical guides on job costing and keeping every project's money straight — written for small construction businesses, in plain language.

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Construction job costing spreadsheet: free template and how to use it

What to track to know whether a job is making money, a free Excel template with the columns already set up, and the weekly habit that keeps it honest.

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How to keep track of receipts for your construction business

Why receipts vanish between the counter and the books, a capture habit that survives real job sites, and what to do with the purchases your crew makes.

Construction cost codes for small contractors: a short list that actually gets used

Why the 800-code CSI approach fails a small crew, the 12-code starter list we recommend, and the rules that keep codes honest when nobody's an estimator.

How to write a change order: the five-minute version that gets you paid

What belongs in a change order, a text-message-sized version you can send from the driveway, and the bookkeeping habit that makes sure it lands on the final invoice.

Contractor markup vs. margin: the difference, the conversion table, and why your 20% might be 12%

Markup and margin are different numbers wearing the same '20%' — the conversion table, the divide-don't-multiply rule, and how to find the margin you actually achieve.

Committed costs: why your job looks profitable until the bills arrive

What committed costs are, why a job looks profitable right up until the bills arrive, and the simple second table that shows the floor your real cost can't be under.

QuickBooks job costing for contractors: what works, what doesn't, when to stop forcing it

How to set up job costing in QuickBooks Online with Projects, an honest look at where it delivers, and the signs the fit is wrong for a small crew.

Do you actually need construction management software? A decision guide for small crews

Which tier a small crew actually needs — spreadsheet, field cost loop, or full suite — the four problems 'construction software' bundles, and the traps between.

Job expenses over WhatsApp: running a bilingual crew without losing receipts

Your crew already sends receipts on WhatsApp — the problem is the group chat they die in. A WhatsApp-native system for job costs that works in two languages.

Ask Claude or ChatGPT about your jobs: connect your AI assistant to Obra

Connect the assistant you already use to your job finances in a few taps, then ask how a job is doing, send in a receipt or record an expense — with permissions you set.

Allowance overages: how to price them, write them and bill them before the order ships

How allowances work in a remodel contract, why the overage must carry markup, the four-step sequence that keeps the margin, and the contract language that ends arguments.

Best construction expense tracker apps (2026): receipts in, per-job costs out

Eight ways to track construction expenses by job, from free receipt scanners to job costing apps, compared on capture, job tagging, the accountant handoff and price.

Best job costing apps for small contractors (2026): seven compared, plus the one you already have

Seven job costing apps for crews of one to fifteen, compared on who can enter a cost, what you see mid-job, what your accountant gets, and the price for three people.

Buildertrend alternatives for small remodelers and GCs (2026): seven options, sorted by what you actually need

Buildertrend stopped publishing prices and CoConstruct is folding into it. Seven alternatives for crews of one to fifteen, priced, suite-vs-job-money split first.

How to invoice a cost-plus job: the monthly statement clients trust, and the file behind it

What a cost-plus invoice must show, how to set the fee so it survives overhead, the receipt file that defends every line, and the mistakes that make it a discount.

Construction loan draw requests: the package the bank's inspector wants, and the receipts behind it

How lender draws work on a financed remodel or ADU, what goes in the draw package, why incomplete packages cost a week, and how to keep the receipts ready in advance.

How contractors get paid faster: deposits, payment terms and the invoice that doesn't get argued

The payment terms that belong in a residential contract, what a deposit can legally be, how to invoice so clients pay in days, and what to do when a payment goes late.

How to calculate overhead for a small construction business: the rate, the two methods, and the bid it changes

Which costs are overhead, how to turn last year's bank statements into an overhead rate, the two methods contractors use, and the margin the rate sets on every bid.

Contractor profit margins by trade (2026): the sourced numbers, and how to tell which one is yours

Gross and net margins for remodelers, builders, GCs and specialty trades from NAHB and CFMA studies, what a healthy target is, and the arithmetic to find your own.

Progress billing for remodelers: the draw schedule that keeps the client's money ahead of your costs

How to set a draw schedule that follows the cost curve, what a milestone invoice must show, how to bill change orders and retainage, and a 30/40/30 worked example.

QuickBooks alternatives for contractors (2026): what to replace, what to keep

Most contractors don't need to leave QuickBooks; they need to stop using it for job costing. Alternatives for the books, for the jobs, and the pairing that works.

Retainage for small contractors and subs: what's held, when it's released, and how to keep it from sinking the job

How retainage works on progress payments, the cash-flow arithmetic on a typical subcontract, what to negotiate before signing, and how to track held money honestly.

The WIP report for small contractors: overbilling, underbilling, and the number your banker asks for

What a work-in-progress report is, how to build one from numbers you already have, what over- and underbilling do to your year, and why the estimate at completion counts.