How to Automate Invoicing (And the 10% It Won't Fix)

Invoicing is the work you do after the work, and none of it earns anything. The invoice has to be built, sent, tracked, and — the part everyone puts off — chased.

We've written before that the real cost isn't the minutes, it's the deciding: whether today is the day you email someone about money. That still holds, and the setup below still removes it.

But we went looking for data on how late invoices actually get paid, and it changes what the second half of this article should be about.

What the reminder sequence is actually doing

Bonsai analysed three years of invoicing data across a user base of 100,000+ freelancers. Their findings, published January 2026:

• 29% of invoices were paid at least a day late
• Over 75% of those late invoices were paid within 14 days of the due date, and 90% within a month
• Invoices over $20,000 were three times more likely to be paid late than invoices under $100

Read that as a whole. Roughly seven in ten invoices are never late at all. Of the ones that are, three-quarters sort themselves out inside a fortnight.

So your automated reminder sequence spends most of its effort nudging people who were going to pay anyway. That is genuinely worth having — it costs nothing, it's consistent in a way you won't be, and it removes the dread. It just isn't where the money is.

The money is in the 10% of late invoices still outstanding after a month. And the exposure concentrates in exactly the wrong place: the biggest invoices are three times more likely to go late. An email cadence does not solve a client who has gone quiet on $8,000 for ninety days.

The rest of this article is in two halves, in that order: the setup that handles the 90%, and what actually works on the 10%.

The setup, corrected

Wave — and a correction that undercuts how we framed it

We recommended Wave as the free option and described this whole workflow as something you could run at $0. That was wrong, and it's wrong about the two features this article is named after.

From Wave's own invoicing page: "With a Wave Pro subscription, you'll have recurring billing and other automation features. Schedule everything, from invoice creation and invoice sending, to payment collection and overdue payment reminders." Automatic payment reminders require either Wave Pro or enabling Wave's online payments.

Recurring invoices and automated reminders are both paid features. Wave Starter is genuinely free and genuinely unlimited for creating and sending invoices — that part is real, and it's more than most free tiers offer. But the automation this article is about starts at Wave Pro, $19/month or $190/year.

Our ProductCard also claimed "unlimited invoices and receipt scanning" — receipt scanning is an $11/month add-on ($96/year), as we corrected in our bookkeeping guide. Both claims are fixed below.

FreshBooks — two corrections, and the bigger one is ours

FreshBooks Lite is $23/month, or $17.10/month billed annually, and caps at 5 billable clients. Every plan is single-user; extra team members are $11/month each. Plus is $43 with 50 clients; Premium $70 with unlimited.

The first correction is a number we couldn't find. Our ProductCard claimed "Online payments get you paid 2x faster." Our body said FreshBooks "claims invoices with online payments get paid 11 days faster on average."

FreshBooks' own payments page says only that "payments happen faster because the payment option is available directly on the invoice" — no figure, no methodology, no sample. Their late-fees guide makes no speed claim at all. The number that does circulate in FreshBooks marketing is 18 days, on a Facebook video, with nothing behind it. So we published "2x", which nobody claims, and attributed "11 days" to FreshBooks, which we cannot find them saying. Both are gone — hedging a figure as a vendor claim doesn't help if the vendor never made it.

The second correction is worse, because it goes to the point of this article. We described FreshBooks Lite as automating "recurring invoices for retainer clients" and "payment reminders at 1, 7 and 14 days overdue", and priced that at $23.

Recurring invoices are a Plus feature, at $43/month. Two independent feature comparisons of FreshBooks' own plan sheet put recurring invoices, scheduled late fees and automated payment reminders at the Plus tier; Lite gets unlimited invoices to five clients and not much automation. FreshBooks' pricing page doesn't itemise it either way, and its support documentation describes reminders without naming a tier — so treat the reminders question as unsettled and check before you subscribe. On recurring invoices the sources agree, and we had it wrong.

Which means the honest summary of this whole article is uncomfortable: the two features it is named after are a paid upgrade on every tool that offers them. Wave wants $19. FreshBooks wants $43.

Make — the piece that makes free viable

Make Core is $9/month billed annually, $10.59 monthly, for 10,000 credits, unlimited active scenarios and a one-minute minimum interval. The free tier gives 1,000 credits, two active scenarios and a 15-minute interval — worth knowing, because we once published a Make tutorial teaching five automations on a plan that allows two.

This turns out to matter more than we expected. Since recurring invoices and reminders are paid on both invoicing tools, Wave Starter (free) plus Make Core is the cheapest honest route to what this article describes — roughly half the price of Wave Pro and about a quarter of FreshBooks Plus, on either billing basis. (We previously said "a fifth" of FreshBooks Plus. That set Make's annual $9 against FreshBooks' monthly $43.) It's more setup, and you're building the reminder logic yourself rather than ticking a box.

Honest total for the setup this article describes:

Not $0, which is how we framed it before.

Corrected 10 September 2026: this table had a single "Monthly" column that set Make at its annual $9 beside monthly prices for Wave and FreshBooks, which also made "Wave Pro + Make" $28. It now shows both bases.

The cost of "get paid online" that nobody computes

Every invoicing article tells you to add online payments. None of them do the arithmetic.

Stripe's US rates: 2.9% + $0.30 per card charge, 0.8% capped at $5.00 for ACH direct debit. Wave charges 2.9% + $0.60 on cards.

On a $10,000 invoice, the card rail costs more than a year of Make. Offer cards for small invoices and speed; offer ACH for anything over about $700, which is where the cap starts winning. If you invoice retainer clients monthly, this one setting is worth more than the entire automation.

Worth knowing too: Stripe's dispute fee is $15 per dispute received, and it cannot be avoided once a cardholder initiates one. If you contest, a separate countered fee applies — that one comes back if you win. The received fee doesn't.

Fees are the predictable cost. The unpredictable one is a hold: every major processor's agreement lets it delay payouts and keep a reserve, and only one of them writes down how long. We compared the contracts in processor holds, reserves and closures.

The 10%: what actually has teeth

Here is the part no invoicing guide covers, and it changed materially in the last two years.

Eight US jurisdictions now give freelancers — specifically one-person businesses, not businesses generally — a statutory right to be paid, with damages beyond the invoice. Every one requires a written contract, sets a 30-day default payment deadline where the contract is silent, and awards double damages plus attorney's fees.

This is not theoretical. New York City's Department of Consumer and Worker Protection reports that since 2017 it has received nearly 4,300 complaints, closed over 3,500 cases, and recovered more than $3,470,000 for freelancers.

And in June 2025 it announced a settlement with BuzzFeed over a "pattern of disrespecting freelance workers" by violating "freelance workers' right to timely payment" between May 2019 and August 2024 — over $45,000 in restitution to 16 named freelancers, with more available to others who filed claims.

Double damages plus attorney's fees changes the arithmetic of ignoring you. A client weighing whether to pay a $6,000 invoice is weighing a $12,000 exposure plus your legal costs.

The coverage rule most people get backwards

Whose location triggers the law is not uniform, and the assumption most freelancers make — "my state doesn't have one, so this isn't for me" — is often wrong.

Illinois is the clearest case. Its Department of Labor states: "If either the remote freelance worker or the contracting entity is located in Illinois, the law applies."

So a freelancer anywhere in the country invoicing a Chicago client is covered by Illinois law. Los Angeles works the other way — its ordinance turns on work performed within city limits. California may reach a freelancer working in California regardless of where the client sits. New York's is read broadly.

The practical instruction: check the law where your client is, not just where you are. For most solo businesses that is the single most valuable sentence in this article.

Get the contract right, because it's the trigger

Every one of these statutes hangs on a written contract, and they broadly want the same things: both parties' names and addresses, an itemised list of the services and their value, the rate and method of compensation, and the date payment is due.

That last item is doing real work. If your contract names a date, that date governs. If it's silent, the statutory 30 days applies. Either way you have a deadline that exists independently of your reminder emails.

California and Los Angeles both require the contract to be retained for four years. New York's Department of Labor publishes a model contract. Seattle goes further and requires a pre-work written notice of terms plus an itemised payment notice with every payment.

Two things that don't apply to you

Prompt Payment Acts are construction and government statutes. The federal Prompt Payment Act covers federally-funded construction projects. State versions cover public and private construction — California requires payment within 30 days with 2%/month interest, Texas within 35 days with 1.5%/month. If you're a designer, writer, developer or consultant invoicing a private client, none of it reaches you. A lot of invoicing advice gestures at "prompt payment law" as though it were general. It isn't.

Late fees are not automatic in the US. In the UK and EU, statutory interest accrues on late commercial payments whether or not the contract says so. Here it doesn't. You may charge a late fee only if it was agreed in writing before the work, it's specific, and it's within your state's limit. You cannot add one after the fact because someone is overdue.

And the near-universal "1.5% per month" is a market convention, not a legal default. It appears to descend from Georgia's O.C.G.A. § 7-4-16, which permits interest on a commercial account overdue by 30 days or more "at a rate not in excess of 1½ percent per month" — the one state that legislates exactly the figure everyone quotes.

Most states exempt business-to-business deals from usury caps entirely; a handful genuinely limit even B2B rates. We're not publishing a fifty-state table from sources we couldn't verify — check your own state, and put the rate in the contract before you need it.

The backstop

If the statute doesn't cover you and the client still won't pay, small claims court is the realistic end of the road. Limits run from about $2,500 in Kentucky to $25,000 in Delaware and Tennessee, with most states between $7,500 and $15,000.

One trap worth knowing: California allows individuals $12,500 but businesses, corporations and LLCs only $6,250. Incorporating halves your ceiling there. New York varies by court — $10,000 in the city, $3,000 in town and village courts. In most states you can waive the excess to fit under the cap.

Before filing, send a demand letter by certified mail with return receipt. It isn't usually required, but it builds the record and the signed receipt is something concrete to attach later. These figures are reported rather than verified at court sites, so confirm your own before relying on them.

The setup itself

Unchanged, and it works:

Recurring invoices for retainer clients — set once, sent monthly whether or not you remember. Automated reminders at day 5 and day 10 past due. A thank-you on payment. Make handles anything your invoicing tool won't.

We previously opened this article with a breakdown of how long each step takes and a "4-6 hours a month" total, plus a before-and-after table showing payment times dropping from 23 days to 12. We never measured any of that, and it was removed in August. What replaces it isn't a number, it's the structure: the chase goes out whether or not you feel awkward about it, and that is the entire point.

What you can measure yourself, and should: your own average days-to-payment before you start, and again three months later. That number is specific to your clients and nobody else's figure predicts it.

For the adjacent workflows, see automating client follow-ups and AI bookkeeping without an accountant. For what a whole solo stack really costs, we did the arithmetic here.

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Legal material quoted from primary sources where they could be opened on 4 September 2026 — California SB 988, New York General Business Law Article 44-A, the Illinois Department of Labor and Seattle Office of Labor Standards guidance, and New York City DCWP's enforcement announcement — and attributed to secondary sources where they could not. Tool prices re-verified at each vendor's own page. This is not legal advice; thresholds, coverage and remedies vary by jurisdiction and change, and only your own state, city and contract govern. Some links may be affiliate links — read our policy.