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The most common service business pricing mistakes are mixing up markup and margin, leaving overhead out of the hourly rate, counting wages without payroll costs, pricing off a competitor instead of your own numbers, and discounting by habit. Each one shows up as busy weeks with thin profit. Fix them by working out your true cost per billable hour and checking every job against it.
Key takeaways
- A 25% markup earns a 20% margin, so confusing the two quietly cuts your profit on every job.
- Your hourly rate has to carry overhead, payroll costs, idle time and your own pay, not only the wage.
- A habitual 10% discount cuts the profit on a 20% margin job in half.
- Quotes need an expiration date and a change-order rule, or material swings and scope creep come out of your pocket.
- Compare estimated cost to actual cost on finished jobs, because that is the only way prices improve.
Most service businesses do not fail on price because they charge too little in one dramatic way. They lose margin in fifteen small ways, each of which looks reasonable on its own quote. Below are the mistakes we see most often in owner-run companies, what each costs you in plain terms, how to spot it in your own books and the fix. The math examples are made up to show the method, so swap in your numbers. Nothing here is tax, legal or accounting advice, and your accountant should check your cost figures. For trade-specific methods, see our pricing guides.
1. Confusing markup with margin
What it costs: you think you are earning more than you are. A job that costs you $100 and sells at a 25% markup sells for $125, and your margin is $25 out of $125, which is 20%. To earn a 25% margin on the same cost you need to sell for about $133, a markup of about 33%. How to spot it: your quote sheet says "add 25%" and your target margin is also 25%. Fix: pick one term, write the formula next to it (price = cost divided by one minus the margin you want) and put the formula in your quote template or spreadsheet.
2. Leaving overhead out of the hourly rate
What it costs: you cover wages and materials on each job but nobody pays for the truck insurance, the phone bill, the software, the shop rent and the office hours. How to spot it: your job-level profit looks fine but the bank balance does not grow. Fix: add up a year of overhead, divide by the billable hours you expect to sell, and add that amount to every hour. The IRS groups common business expenses into categories such as rent, insurance, taxes, interest and employees' pay on its deducting business expenses page, which is a useful checklist for what to count. For example, $3,000 a month of overhead over 120 billable hours adds $25 to every hour.
3. Counting wages but not payroll costs
What it costs: every employee costs more than their hourly wage. The employer pays 6.2% for Social Security and 1.45% for Medicare on wages, according to IRS Topic 751. Those two rates add up to 7.65% on top of a wage (the Social Security part stops at a yearly wage base). A $25 wage costs about $26.91 before workers' compensation, unemployment tax, insurance and paid time off. How to spot it: your labor line in the quote equals the paycheck rate. Fix: ask your accountant or payroll provider for a loaded rate per employee and quote from that.
4. Pricing as if your own time is free
What it costs: owners quote, sell, schedule, order, answer calls and do the books, then price only the field hours. The business looks profitable until you hire someone to do your job and the margin vanishes. How to spot it: if you replaced yourself with a manager at a fair wage, the business would lose money. Fix: decide what you should be paid for the work you do as owner, put it into overhead as a cost, and price to cover it. Any profit above that is the return on the risk you carry.
5. Dividing costs by every hour instead of billable hours
What it costs: a crew that works eight hours a day does not bill eight hours. Drive time, loading the truck, weather days, callbacks and slow weeks all eat time you pay for. If you spread cost over every paid hour, the rate is too low. How to spot it: your timesheets show far more paid hours than invoiced hours. Fix: track billed hours against paid hours for a month. Use the billed number as the divisor in your rate, and plan work routes to cut drive time. A CRM that tracks jobs and time makes that comparison automatic.
6. Setting prices from what a competitor charges
What it costs: you inherit their costs, their volume and their mistakes. A company with lower rent, no employees or a side income can charge less and still make money; you may not. How to spot it: your prices moved the last time you saw another company's quote and your costs did not. Fix: build the price from your own cost per hour and desired margin, then compare it to the market as a sanity check. If you are far above it, work out what you offer that is different, such as response time, warranty or care, rather than cutting automatically.
7. Discounting by habit
What it costs: a discount comes out of margin, not out of price alone. On a job that costs $80 and sells for $100, you keep $20. A 10% discount drops the price to $90 and the profit to $10, so half your profit went to a gesture. How to spot it: you offer "10% off" in the first call before the customer asked. Fix: never discount without getting something, like a faster booking, a bundle of work or a prepayment, and keep a rule for who can approve one. Offer a smaller scope or a good-better-best choice instead.
8. No minimum charge or trip fee
What it costs: a 20-minute job still takes a truck, a driver, a call, an invoice and travel both ways. Without a minimum, small jobs run at a loss and eat the best hours of the day. How to spot it: your shortest invoices are the ones you dread. Fix: set a minimum that covers a visit at your true cost, state it when booking and print it on the quote. Check your state's rules on how fees must be disclosed and described, because they differ, and write them in plain words so customers see them before the visit.
9. Leaving quotes open with no expiration
What it costs: materials, fuel and labor move, and a quote you wrote in March should not bind you in October. How to spot it: you have signed quotes more than a few months old that you feel obliged to honor. Fix: put a valid-until date on every quote and state what happens to the price after it, such as requoting. For big material swings, say that supply price changes may adjust the total, and put the rule in writing. Our quote follow-up guide shows how to use the date to prompt a decision.
10. Absorbing scope changes without writing them down
What it costs: "while you're here, could you also" becomes five free hours on a fixed-price job. How to spot it: your actual hours exceed your estimate on most jobs and nobody can say why. Fix: use a one-page change order the customer approves before extra work starts, even if the extra is small. Give crew leads the authority and a script: "I'll write that up and send it before we start." Customers tend to accept it when it is fast and clear.
11. Spending hours on free estimates for the wrong customers
What it costs: a two-hour site visit that closes one in ten times is a cost your other jobs pay for. How to spot it: your best salesperson spends days driving to quotes and your close rate is low. Fix: ask three screening questions on the first call (scope, timing and budget range, if the customer will share it) and decide which jobs deserve a visit. Quote small, standard jobs by phone or photo. You can charge for large design or complex diagnostic work, if you say so before the visit.
12. Forgetting the cost of getting paid
What it costs: card processing fees, financing fees and late payers are all real costs, and many owners leave them out of the price. How to spot it: your deposits arrive at the amount you invoiced minus a fee you never planned for. Fix: include your average processing cost in your rate. If you plan to add a surcharge for card payments, card networks and some states have specific rules on whether and how you may do it, so read yours first or ask your processor. Our guide to collecting unpaid invoices covers the late payment side.
13. Charging the same for easy and hard customers
What it costs: the third floor walk-up, the dog that will not stay out, the customer who changes plans twice and the site with no parking all use more time. How to spot it: a few customers account for most of your overtime and complaints. Fix: record access, parking, stairs and customer complexity as inputs in the estimate, and add a difficulty allowance to the labor hours. It is fairer than raising everyone's price, and customers with simple jobs see a lower number. For customers who are always more trouble than their work is worth, raise the price at renewal or decline politely.
14. Never raising prices on a schedule
What it costs: your costs rise a little every year, and a price held flat is a pay cut for you. Owners wait until they feel forced, then raise prices in a panic. How to spot it: your price list has the same date on it as your last truck purchase. Fix: review prices on a fixed date each year with your cost numbers beside them, and tell repeat customers in advance with a short, plain note. Nobody should be surprised by an increase on the invoice itself. Put the review on your yearly calendar, near the year-end checklist.
15. Never comparing the estimate to what the job really cost
What it costs: without it you repeat the same underpricing for years. You may be losing money on one type of job and making a fortune on another and not know which. How to spot it: you know your revenue but not your profit on last month's top three job types. Fix: after each job, record actual hours and materials next to the estimate. Review the five biggest misses monthly and adjust the rate or the scope for that job type. Our cost per lead versus cost per job guide applies the same habit to your marketing.
Where to start
Do three things first. Work out your true cost per billable hour, including overhead, payroll costs and your own pay (items 2 to 5). Switch your quote template from markup to a target margin (item 1). Then put a valid-until date and a change-order rule on every quote (items 9 and 10). Those three fix most of the leaks within a month. After that, track estimate against actual on each job (item 15) so every future quote starts from your own evidence. If you want job costing, quotes and invoices in one place you own, ask about a free system quote.
Frequently asked questions
What profit margin should a service business aim for?
It depends on the trade, your overhead and how much you pay yourself. Pick a target based on your own cost figures and your accountant's advice instead of a number from the internet, then check it against the jobs you finish.
Is it better to charge hourly or a flat price?
Flat prices tend to suit standard jobs where you know the time, and hourly suits jobs with real unknowns. Either way, your price has to cover your cost per billable hour plus margin. See our trade-specific pricing guides for examples.
How often should I raise my prices?
Review them at least once a year, with your current costs in front of you. Raise them sooner if a major cost, such as materials, insurance or fuel, changes a lot.
Do I need to tell customers about card surcharges?
Rules on surcharges differ by state and by card network, and some require clear disclosure before payment. Check your state's rules and your processor's terms before adding one, or build the cost into your prices.
Sources
General information for service-business owners, not legal, tax or financial advice. Rules vary by state; check with a qualified professional for your situation.