#profitability
Analyze and improve business profitability with financial insights
Carpet cleaning chemistry should run 5–7% of revenue, a $25,000 truckmount costs about $10 per operating hour in wear, and drive time between jobs is the biggest hidden margin leak. How to book chemistry, trucks, and routes as three separate cost centers.
Operating margin — operating income divided by revenue — shows whether a business's core operation makes money before interest and taxes. Here's the formula with a worked example, 2026 benchmarks by industry (SaaS 15–35%, services 15–25%, manufacturing 8–15%, retail under 5%), how it differs from gross and net margin, and the bookkeeping errors that distort it.
A $350 junk removal job with a 60% gross margin often nets just $50–$100 after acquisition cost, truck payments, and overhead. Here's how per-job costing — tracking labor, fuel, and dump fees against each individual job — closes the gap between gross and net margin for hauling businesses.
Route-wide revenue totals hide losing machines. How vending operators track profit per machine: 5–25% location commissions on gross vs. net, cashless fees that reach 8–10% on sub-$2.25 transactions, and monthly per-machine shrinkage reconciliation.
Contribution margin is sales revenue minus variable costs — the per-unit number that drives pricing, break-even analysis, and product-mix decisions. Learn the formula, how it differs from gross margin, common calculation mistakes, and typical ratios by industry (70–90% for software, 25–50% for manufacturing).
ROIC measures how efficiently a business turns debt and equity into after-tax operating profit — NOPAT divided by invested capital. Learn the formula, why it beats ROI and ROE, the WACC benchmark that separates value creators from value destroyers, and the five calculation mistakes owners make most.
Throughput accounting reduces business decisions to three numbers — throughput, investment, and operating expense — and argues that only fixing the single binding constraint, not cutting costs everywhere, increases how much money a business actually makes.
Economic Value Added (EVA) = NOPAT − (WACC × invested capital) — the profit left after every source of capital, debt and equity alike, is paid its going rate. A worked example, how to estimate NOPAT and WACC, why EVA avoids ROI's percentage bias, and how small business owners can use it for capital decisions.
Pet waste removal services gross $20–$45 per visit at ~50% gross and ~20% net margins, with top operators reporting $2M+ in annual revenue. This bookkeeping guide covers the metrics that actually decide profitability — revenue per route-hour, deferred revenue on prepaid subscriptions, and separating residential cash flow from invoiced commercial contracts.
GMROI measures gross profit generated per dollar of average inventory cost; a GMROI above 3.0 is generally strong, below 1.0 means inventory is destroying margin dollars, and typical category ranges run from 1.2 in grocery to 6.5+ in electronics.
LLM inference is a variable cost of delivering your product, not software overhead — ICONIQ's 2026 data puts AI product gross margins at a 52% industry average, well below the 70-80% typical of traditional SaaS.
Machine shops that track only labor and materials miss the two costs that decide whether a job is profitable — machine overhead and work in process — so aggregate revenue looks healthy while a third of jobs quietly lose money.
