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30 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

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

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 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 gets it onto the final invoice.

Contractor markup vs. margin: 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 really get.

Committed costs: why your job looks profitable too early

What committed costs are, why a job looks profitable right up until the bills arrive, and the simple second table that shows the floor under your real cost.

QuickBooks job costing for contractors: where it breaks

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?

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 for a bilingual crew

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.

Connect Claude or ChatGPT to your job costs

Connect Claude, ChatGPT or your coding agent to your job finances, then ask how a job is doing, send a receipt or log an expense, with permissions you set.

Allowance overages: how to price, write and bill them

How allowances work in a remodel contract, why the overage must carry markup, the four steps that keep your margin, and contract language that ends arguments.

Best construction expense tracker apps (2026)

Eight construction expense trackers compared, from free receipt scanners to job costing apps: receipt capture, job tagging, the accountant handoff and price.

Best job costing apps for small contractors (2026)

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.

Buildertrend alternatives for remodelers and GCs (2026)

Buildertrend hides its prices and CoConstruct is folding into it. Seven priced alternatives for crews of one to fifteen, suites and job-money tools kept apart.

How to invoice a cost-plus job: the monthly statement

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

Construction loan draw requests: what the bank wants

How lender draws work on a financed remodel or ADU, what goes in the draw package, why an incomplete package costs a week, and how to have the receipts ready.

How contractors get paid faster: deposits, terms, invoices

Payment terms for a residential contract, what a deposit can legally be, how to invoice so clients pay in days, and what to do the week a payment goes late.

How to calculate overhead for a small construction business

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

Contractor profit margins by trade (2026): sourced numbers

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

Progress billing for remodelers: stay 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, with a 30/40/30 example.

QuickBooks alternatives for contractors (2026)

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

Retainage for small contractors and subs: how it works

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

WIP report for small contractors: over- and underbilling

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

Track construction receipts from your crew over WhatsApp

Your crew already sends receipts on WhatsApp. Ten questions to ask any app before you trust it with them, and Obra's honest answers, including one that's a no.

Best estimating software for small contractors (2026)

Eight estimating tools and the spreadsheet, compared on where the prices come from, what the client signs, and whether the estimate becomes the job's budget.

How to write a construction estimate, line by line

Scope, quantities, unit costs from your own jobs, the items estimates forget, overhead and profit, and the page the client signs, worked through on a bathroom.

Handoff alternatives for residential contractors (2026)

Handoff writes bids with AI, but budgets need Pro and a year's commitment. Seven estimating tools compared on where prices come from and what happens after yes.

Houzz Pro alternatives for remodelers and designers (2026)

Houzz Pro puts change orders and budgets on its $199 plan and sells leads separately. Alternatives for remodelers and for designers, with what each one costs.

Jobber alternatives for contractors who do projects (2026)

Jobber is built for visits. When the work becomes projects with draws and change orders, these seven tools fit better, with the plan where job costing starts.

JobTread alternatives for small remodelers and GCs (2026)

JobTread's budget-first idea is right, but $239 a month for three users with no trial isn't for every crew. Seven alternatives, bigger, cheaper and smaller.