SideWRK is a cheap invoicing app for small-engine mechanics who work on the side.
It puts the customer, the job and the invoice together, then shows what you kept on the repair after parts and time.
SideWRK starts every small-engine mechanic at these prices and does this math on every job you write up. Change any number.
What a Small Engine / Outdoor job looks like in SideWRK.
The small engine / outdoor job as the app lays it out — your own cost sitting on it, and the estimate your customer approves from their phone.
Built for outdoor-power repair — in one app
Log equipment, not VINs
Add each unit the way it actually comes in: pick the type (mower, chainsaw, blower, generator, ATV…), then brand, model, and serial number. No VIN, no fuss — just the details you need to track the repair and the customer's machine.
Estimates → invoices → paid
Write up the repair in one sweep — labor, the part (with your private cost), a note, and a photo. Text or email a clean, itemized estimate. When the customer approves, it becomes a numbered invoice. Record cash, card, or a payment they sent you.
Customers approve from their phone
Send a branded approval link. Your customer reviews the estimate, sees the photos, and taps Approve — logged with their name, the time, and the amount. Add work later and they're asked to authorize the new total.
Photos that sell the repair
Snap the fouled plug, the gummed-up carb, or the cracked deck and text it straight to the customer — proof gets repairs approved faster, and the same photos show on the estimate.
Real profit, not just revenue
Every part carries a private "your cost" the customer never sees — so the Money tab shows what you actually made on each repair, not just what you charged.
Look legit on every invoice
Your business name, logo, address, and license number on every estimate and invoice, plus a logged record of every customer approval. A clean invoice beats a number on a sticky note every time.
Small Engine & Outdoor
The work this app was built around.
Estimate. Invoice. Get paid.
SideWRK runs the business side from your phone, on the job.
It puts the customer, the job and the invoice together, then shows what you kept after parts and time.
From drop-off to "paid" in three steps
Log it
Add the customer and the equipment — type, brand, model, serial — then write up the repair with labor, parts, a photo, and a note.
Send it
Text or email a branded estimate. The customer reviews the photos and taps Approve — authorization logged automatically.
Get paid
It becomes a numbered invoice. Record the payment, the repair flips to Paid, and your real profit lands in the Money tab.
What should a small engine mechanic charge?
Small engine work is priced by the repair, not the clock. Here's how independent and mobile small engine pros set their prices, plus free calculators to find your number.
Flat-rate by repair
Tune-ups, carb cleans, blade and belt jobs each carry a set price — a tune-up commonly runs about $50–$100. Customers like knowing the number up front.
Parts plus a markup
Parts carry a markup over your cost (often 25–50%) to cover sourcing and warranty. Keep your real cost private and quote the marked-up price.
Pickup and bench fees
Many shops add a diagnostic or bench fee, and mobile techs add pickup and delivery. Your overhead, area, and turnaround all move the number.
What should you charge an hour?
Before the spring mower rush stacks up, find the bench rate that pays for your time.
The small engine & outdoor rate behind SideWRK's estimating defaults is $65/hr, with 70% of a typical ticket paying for time rather than materials. Both numbers come from our 2026 Side-Work Rate Report, which publishes the same figures for all 42 trades.
These tools run free right here — inside SideWRK they fill your estimate for you →
One plan. Every trade. $19.
There is one plan and this is it. The Small Engine & Outdoor build you are looking at is one of 42, and every one of them is already switched on — no upgrade, no add-on. Pick up a different trade next month and the app switches with you. Your customers come with you — one book of people, every job you have ever done for them, whichever trade you had your hat on for that day. $190 a year if you pay yearly, which is two months free.
- Log equipment by serial
- Estimates, invoices & payments
- Customer approvals + photos
- Real profit tracking
- All 42 trades, switched on — not a bundle, not an add-on
- One customer list across every trade — the same person, every job you ever did for them
- Unlimited customers and jobs — no caps
- Real profit on every Small Engine & Outdoor job, from your own private cost
- Small Engine & Outdoor expenses, mileage and a year-end tax packet
- Your own Small Engine & Outdoor page, work gallery and booking requests
- Card, Apple Pay, Venmo, Cash App — Zelle if your bank offers it — or cash
Nothing above is behind a higher tier. There is no higher tier.
The lawn’s done.
The mower that cut it is the next job — same garage, same hands.
One app, every trade.
Every trade — all 42 on one $19/mo plan.
Small-engine FAQ
What equipment does SideWRK handle?
Mowers, chainsaws, trimmers, blowers, snow blowers, generators, pressure washers, tillers, pumps, ATVs, UTVs and snowmobiles. You log each unit by type, brand, model and serial number — no VIN required.
Do I need to scan a VIN?
No — small-engine and outdoor power runs on serial numbers, so SideWRK skips the VIN entirely and logs the unit by make, model, and serial instead.
Can customers approve estimates from their phone?
Yes. You send a branded link; the customer reviews the estimate and photos and taps Approve — recorded with their name, the time, and the amount.
I fix mowers AND wrench on cars — can I do both?
Yes. Every trade is unlocked and you switch between small engine, mechanic, handyman and more in a tap, sharing one customer list. One subscription, one app.
What should a small engine mechanic charge?
Most small engine pros price by the repair, not the hour — a tune-up commonly runs about $50 to $100, with parts marked up 25 to 50 percent over cost, plus a diagnostic or pickup fee. Your number depends on your overhead, area, and turnaround. Use the free hourly rate calculator to find your number.
How much does it cost?
SideWRK is $19/month. Every trade is included. You start on the free plan: five jobs a rolling year, no card, and no expiry. Paying lifts every limit — $19 a month, or $190 a year.
Wondering what to charge? How to price Small Engine & Outdoor jobs — with real numbers →
Stop fixing everything for "whatever you think is fair."
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