Invoices That Get Paid in Under 14 Days

Slow payment is rarely about deadbeat customers. It’s about invoices that arrive late, omit how to pay, say “net 30” out of habit, and are never followed up because chasing feels rude. Every one of those is a system problem, and systems fix in an hour. The setup: deposits by default, due on receipt, a five-part invoice template, and three follow-up messages written once and reused forever.

Deposits first: 50% up front is normal

For project work — anything that takes days or weeks before there’s something to invoice — the default is 50% before you start, balance on completion. Say the number plainly; it is completely ordinary, and established competitors are already asking for it:

To get you on the schedule, it's 50% up front — $[number] —
and the balance when the work's done. I'll send the deposit
invoice today; work starts once it's paid.

“Once it’s paid” is load-bearing. A scheduled start date is reserved by money, not enthusiasm. The deposit does three jobs: it funds materials so you’re not banking the project, it cuts your worst-case loss in half, and it filters — a customer who balks at a normal deposit is showing you, cheaply and early, exactly how the final invoice will go. That’s a feature; let your intake process catch it before the calendar does.

Variants: ongoing clients go on a monthly retainer billed on the 1st, in advance. Short jobs (done in a day) skip the deposit — payment on completion, card or check before you leave. Materials-heavy trades: deposit covers materials plus a margin, minimum.

Due on receipt, because you are not a bank

Net-30 exists so companies with payroll departments and approval chains can process supplier invoices in batches. You are not a supplier to yourself — when you grant net-30 to a homeowner or a five-person company, you’re extending a 30-day interest-free loan, and you’re the smallest creditor they have. The default term is “Due on receipt”, with your late policy stated on the invoice.

The exception: a corporate client whose accounts-payable process genuinely runs on net-30 won’t change it for you. Take the terms if the client is worth it — but price the float into the rate, invoice the moment work completes (their 30-day clock starts at receipt, not at your convenience), and get a PO or written approval first so the invoice doesn’t bounce around looking for an owner.

The anatomy of an invoice that gets paid

Five parts, no extras:

• A number and a date. “Invoice #2026-014, June 12, 2026.” Numbered invoices get taken seriously, can be referenced in one phrase when chasing, and make tax time and the weekly close mechanical.
• One line per deliverable, with its price. “Services rendered — $2,400” invites a phone call. Three lines with the quote’s own language invites payment, because it reads as the thing they already agreed to. Match the quote; surprises are the #1 legitimate reason invoices stall.
• The total, big and unmissable.
• A payment link or exact instructions. The single highest-impact line on the page. Every step between “decided to pay” and “paid” — finding the checkbook, asking for your routing number — is a day of delay. Link directly to a payment page, or print the exact ACH details.
• Terms and the late policy. “Due on receipt. Balances over 14 days past due accrue a 1.5% monthly late fee.” You may never collect the fee; its job is to mark the invoice as one with consequences. (Late-fee caps vary by state — check yours before printing a percentage.)

Send it the day the work completes. Every day between finishing and invoicing is a day you added to your own payment time, and it’s the only delay you fully control.

The chase sequence: three messages, written once

Follow-up fails when each reminder has to be composed from scratch while annoyed. So don’t compose — paste. Three messages, calendar-triggered, total send time under five minutes.

Day 7 — the nudge. Friendly, assumes good faith, reattaches everything:

Hi [name] — quick nudge on invoice #2026-014 for $[amount],
sent on [date]. Here's the payment link again: [link].
If it's already on its way, ignore me. Thanks!

Day 14 — direct. Still polite, no longer breezy, asks for a date:

Hi [name] — invoice #2026-014 for $[amount] is now two weeks
past due. Can you let me know today when payment will be sent?
If something about the invoice is holding it up, tell me and
I'll fix it the same day. [link]

That second sentence matters: it removes the last legitimate excuse and surfaces real disputes now instead of at day 45.

Day 21 — stop-work. For clients with ongoing or upcoming work, calm and unapologetic:

Hi [name] — invoice #2026-014 ($[amount]) is now three weeks
past due, so I have to pause [scheduled/ongoing work] until
it's settled. The payment link is here: [link]. As soon as it
clears, you're back on the schedule. I'd rather not lose the
spot for you, so please reach out today.

Stopping work on a non-payer is not burning a bridge; the unpaid invoice already did that. Continuing to work is just raising your own stake in a bet they’ve signaled they won’t cover. Past day 30 with silence: one phone call, then a demand letter, then small-claims court — which costs roughly $30–$100 to file and which you will use perhaps once, because the day-21 message resolves nearly everything before it. (For amounts that would hurt to lose, the deposit already made sure you can’t lose them.)

This sequence slots into the same follow-up muscle as page 4.2 — same calendar, same paste-don’t-compose rule.

Take cards: the fee vs. days-outstanding rule

Card and instant-payment fees run around 3%. New owners refuse them to “save” that 3% and wait 35 days for checks instead. The decision rule:

• If your average invoice is paid in under 14 days, fees are optional. Offer ACH/bank transfer (free or near-free) as the default link and let the rare card user pay the convenience.
• If your average is over 14 days, take cards and put the link on every invoice. Three percent is what certainty and three extra weeks of cash flow cost, and it’s cheaper than the hours you’ll spend chasing — hours that come straight out of your five.

Don’t surcharge customers for card fees even where legal; fold it into your rate, which page 2.1 already told you was too low anyway.

The one-hour setup

Tonight: write the deposit script into your quote template, build the five-part invoice template in whatever you bill from, paste the three chase messages somewhere findable, and turn on a payment link. From then on the system runs in minutes per invoice — and “did they pay me?” becomes a question your weekly close answers, not one that ambushes you at midnight.