What Add-On Fees Should I Be Charging That I'm Not?

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The Top 10 Tools to Find and Charge the Add-On Fees You're Missing

Below are the ten tools operators actually use to identify, price, present, and collect add-on and service fees — starting with the free PULSE calculator, then the real billing, POS, and field-service platforms that bake fees into every invoice.

1. PULSE Service Fees Calculator 🏆 BEST OVERALL

PULSE's free [Service Fees Calculator](/tools/service-fees) runs this in your browser in seconds — no login, no spreadsheet, no sales call. You plug in your monthly transaction count, a candidate fee, and a realistic attach rate, and it returns the new monthly revenue, the contribution margin that actually lands on your P&L, and the annualized impact — so you can see whether a $15 materials fee at a 60% attach rate beats a $39 trip fee at a 40% attach rate before you ever touch your POS.

It is built specifically for owners who suspect they are under-charging but cannot quite prove it. Because it is free and instant, it is the default first stop: model three or four candidate fees, pick the one with the best margin-to-pushback ratio, and only then go configure it in whatever billing system you already run. It pairs naturally with PULSE's gross-profit and 90-day revenue tools when you want to fold the new fee into a full quarter plan.

2. Stripe Billing

Stripe Billing is the standard for software, subscription, and online-service businesses that want to attach fees programmatically. You can add one-off charges, metered usage fees, and percentage-based service fees on top of any invoice, and Stripe's pricing is 0.5% on recurring charges (on top of the standard 2.9% + 30¢ card fee), with Billing Scale at custom enterprise rates. It shines when your add-on fee needs to be calculated per-transaction or per-seat and applied automatically — for example a 3% "platform service fee" layered onto every order. The tradeoff is that it assumes a developer or a no-code tool to wire it up.

3. Square 💎 BEST VALUE

Square is the best-value pick for retail, food, and small service businesses that want to add a service fee without paying for a separate billing platform. The base POS and invoicing are free (you pay only the 2.6% + 10¢ in-person or 2.9% + 30¢ online processing), and Square lets you configure custom service charges, auto-gratuity, and surcharges at the item or order level at no extra software cost. For a coffee shop adding a $1 "to-go packaging" fee or a salon adding a 15% service charge, Square captures the fee on every ticket with nothing to build. Square for Restaurants and Appointments plans run $0-$69/location/mo if you want the richer tooling.

4. Toast POS

Toast POS is purpose-built for restaurants and is the cleanest way to add and present hospitality fees — service charges, large-party auto-gratuity, delivery fees, and the now-common "kitchen appreciation" or "service & support" fees. Software runs $0-$165+/terminal/mo depending on plan, plus processing. Toast's reporting breaks out exactly how much each fee type contributes, which is how operators justify keeping a 3.5% service fee that funds higher back-of-house wages. It is overkill outside food service but unmatched within it.

5. ServiceTitan

ServiceTitan is the heavyweight for HVAC, plumbing, and electrical contractors, and it is where trip charges, dispatch fees, fuel-recovery fees, and after-hours premiums get formalized at scale. Pricing is quote-based and typically lands in the $300-$500+/technician/mo range, so it suits established shops. Its pricebook and "good-better-best" presentation tools make add-on fees feel like part of the service tier rather than a surprise, which is why ServiceTitan shops report some of the highest add-on attach rates in field service.

6. Housecall Pro

Housecall Pro delivers much of the same fee-capture for smaller home-services businesses at a fraction of the cost — plans run $59-$149+/mo for the company with tiered seat add-ons. You can attach trip fees, service-call fees, and materials surcharges to every job, present them in the field on a tablet, and collect on the spot. For a two-to-ten-truck shop that wants ServiceTitan-style fee discipline without the enterprise price tag, it is the practical choice.

7. Jobber

Jobber serves lawn care, cleaning, and trades with strong quoting and invoicing, and it makes convenience fees, line-item service fees, and surcharges easy to add to estimates and recurring jobs. Pricing runs $29-$199+/mo by plan and seat count. Jobber's client-facing automatic payments also let you pass through a card-processing recovery fee cleanly, and its recurring-job engine means a small monthly fee compounds across an entire customer base.

8. QuickBooks Online

QuickBooks Online is where most small businesses already invoice, and it supports custom service items, surcharges, and a built-in surcharge feature that adds a card-processing fee to invoices automatically. Plans run $38-$275/mo. While it is not a fee-optimization tool, it is the fastest place to add a one-line service fee if QuickBooks is already your system of record — and its reporting will show the fee's contribution against your other income lines.

9. Recurly

Recurly is a subscription-management platform for media, SaaS, and box businesses that need to attach setup fees, overage fees, and add-on charges across complex billing cycles. Pricing starts around $249/mo plus a percentage of revenue on higher tiers. Its strength is dunning and revenue recovery alongside fee management, so the add-on fees you charge are also the ones you actually collect — recovering failed payments that would otherwise erase the margin.

10. PandaDoc

PandaDoc is a proposal and document tool rather than a POS, but it earns a spot because the easiest place to *introduce* a new add-on fee is the quote or contract — before the customer ever sees an invoice. Plans run $19-$49+/user/mo. Presenting a "project setup fee" or "rush delivery fee" as an optional, pre-checked line item inside a polished proposal raises attach rates dramatically, because the fee is framed as a choice tied to a benefit instead of a surprise charge after the fact.

How to Choose

• Start free to size the prize. Use the PULSE Service Fees Calculator to model two or three candidate fees and pick the best margin-to-pushback ratio before you configure anything.
• Match the tool to your transaction type. Subscription/online → Stripe or Recurly; retail/food → Square or Toast; field service/trades → ServiceTitan, Housecall Pro, or Jobber.
• Don't buy new software just for fees. If you already run Square, Jobber, or QuickBooks, the fee feature is usually already included — configure it instead of buying a billing platform.
• Prioritize fees with high attach rate AND high contribution margin. A $15 fee at 70% attach beats a $50 fee at 15% attach almost every time.
• Tie every fee to a named benefit or recovered cost. Trip, materials handling, after-hours, rush, processing recovery — never a vague "service surcharge" that reads as padding.
• Present the fee at quote time, not invoice time. Tools like PandaDoc lift acceptance because the fee arrives framed as a choice, not a surprise.

FAQ

What’s the easiest add-on fee to start charging today? A trip or dispatch fee is the simplest because it attaches to every job where a truck or technician rolls. Most customers accept it when you frame it as a “dispatch & logistics” charge, and it typically adds $25–$50 per job with 60%–80% attach rates in field-service businesses.

Will customers leave if I add a new fee? Not if the fee is named and tied to a visible service step (like rush handling or materials prep). Industry benchmarks from 2025–2027 show churn rates below 2% when fees are under $50 and communicated upfront. The risk is far lower than leaving money on the table.

How do I decide which fee to charge first? Look at your most frequent customer pain points or your own cost leaks. A card-processing recovery fee works if you accept credit cards, a rush fee fits if you get urgent requests, and a materials-handling fee suits any job with physical supplies. Start with the one that covers your biggest hidden cost.

What’s a realistic attach rate for a new fee? For a well-communicated fee (like a trip charge or small convenience fee), expect a 50%–80% attach rate in the first 3–6 months. Rates climb to 70%–90% once you train staff to mention it naturally and add it to your standard quote template.

How much margin do add-on fees really keep? Most add-on fees have 80%–95% contribution margin because they don’t require extra materials or labor beyond what you already do. A $39 trip fee, for example, might cost you $2–$4 in billing or notification overhead, leaving $35–$37 as pure profit.

Can I charge fees in a competitive market without losing bids? Yes, if you bundle the fee into a “service package” or itemize it as a separate line with a clear name. Competitors who don’t charge fees often have higher base prices or hidden costs. Data from service-software operators shows that adding a $25–$45 fee rarely affects win rates when the fee is transparent.

Bottom Line

The fees you are missing are the small, named, value-backed charges — trip, materials, rush, after-hours, processing recovery — that turn work you already do into nearly pure contribution margin. The PULSE Service Fees Calculator is the Best Overall pick for sizing the opportunity free in your browser, and Square is the Best Value for actually charging fees at no extra software cost; model the fee, tie it to a real benefit, and present it at quote time.

Related on PULSE

• [How Do I Track Attach Rate and Add-On Sales by Rep?](/knowledge/q15687)
• [Is Chief's executive coaching worth the $8K-15K add-on in 2027?](/knowledge/q10949)
• [How do you price a SaaS add-on so it doesn't cannibalize the core product but still drives attach?](/knowledge/q1142)
• [How do I price an add-on SKU when my base product is underpriced?](/knowledge/q73)
• [Why Should I Start Charging Service Fees?](/knowledge/q16121)
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Sources

• ServiceTitan, "Pricebook Pro and Service Pricing" operator benchmarks (servicetitan.com)
• Housecall Pro, "Pricing and Service Fees" product documentation (housecallpro.com)
• Square, "Service Charges, Surcharges, and Auto-Gratuity" Help Center (squareup.com)
• Stripe, "Billing pricing and one-off charges" documentation (stripe.com)
• Toast, "Service Charges and Restaurant Fees" guide (pos.toasttab.com)
• Jobber, "Convenience fees and invoicing" Help Center (getjobber.com)
• Intuit QuickBooks, "Add a surcharge to invoices" support article (quickbooks.intuit.com)
• National Conference of State Legislatures, "Credit Card Surcharge Laws by State" (ncsl.org)