How to Automate Invoices, Payment Reminders, and Client Off-boarding

The work is done, the client loved it, and the final invoice went out two weeks ago... and it's still sitting there, unpaid. You keep meaning to send a reminder, but every time you open a blank email you start second-guessing whether it's too soon, whether it sounds pushy, and whether you should just wait one more week. Meanwhile, the project you wrapped up a month ago never got its testimonial request, because by the time you remembered, it felt awkward to ask.

Money and endings are where most of us get the most uncomfortable, which is exactly why they're the first things we let slide.

This is Part 2 of our three-part series on making your business run without you, one automation at a time. Last week we automated the front door. Today we're automating the back end of every client relationship: getting paid on time and wrapping up well. Each one comes in two versions, a Hands-Free Starter if tools and automation are new to you, and an Invest & Scale option if you're ready to put real tools to work.

Before you build: decide your rules once

Automation can't decide things for you, so make these calls first and write them down:

• Your payment terms: when invoices are due (for example, 7 or 14 days after they're sent).

• Your reminder schedule: when a friendly reminder goes out, and when a firmer one does.

• Your wrap-up steps: what you send at the end, when you ask for feedback, and when you ask for a testimonial.

Once these are decided, nobody has to make the "is it too soon?" call in the moment, including you. Copy-and-paste payment reminders and a testimonial request are both in our free Automation Starter Kit, linked at the end of this post.

Automation 3: Invoice sent → paid on time

Trigger: an invoice goes out. Action: reminders send themselves on your schedule until it's paid, so you never have to write "just following up" again.

The Hands-Free Starter (Stripe Invoicing)

You'll need: a Stripe account. Stripe Invoicing has no monthly fee. You pay 0.4% per paid invoice on the Starter plan, plus Stripe's regular payment processing fees.

1. Brand your invoices. In your Stripe dashboard, go to Settings → Branding and add your logo and colors, so reminders look like they came from you.

2. Create an invoice with a due date. Go to Invoices → Create invoice, add your client and line items, and choose to email the invoice so your client can pay online. Set the due date to match your payment terms.

3. Turn on automatic reminders. Go to Settings → Billing and open your invoice settings (Stripe calls this section Advanced invoicing features). Turn on reminders for one-off invoices that haven't been paid, and choose when they go out: before, on, or after the due date.

4. On a retainer? Turn on recurring reminders too. In Settings → Billing → Subscriptions and emails, under Manage invoices sent to customers, select Send reminders if a recurring invoice hasn't been paid.

5. Test it. Send a small test invoice to yourself and check that the reminder arrives when you expect it.

Good to know: Stripe's reminders use Stripe's wording. If you want your own words, the Invest & Scale option below lets you write each reminder yourself.

Invest & Scale (GoHighLevel)

You'll need: a customer relationship management (CRM) tool that sends invoices. We're using GoHighLevel here, and tools like HoneyBook and Dubsado have their own reminder settings.

1. Open your invoice settings. In GoHighLevel, go to Payments → Invoices, then open Settings.

2. Open Reminder Settings and click Add New Reminder.

3. Set up your first reminder. Give it a name (like "3 days before due"), choose or write the email template, add a subject line, and set the timing. You can send it before or after the due date, or after the date the invoice was sent.

4. Add your follow-ups. Click Add New Reminder again for "due today" and "7 days past due." Use the copy from the Starter Kit and keep it warm. Most late payments are forgotten, not refused.

5. Set a stopping point. Use the maximum number of reminders so the emails stop after your last one, and decide what happens next (usually a personal message or call from you).

6. Switch them on. Use the toggle to turn each reminder on, then send a test invoice to yourself.

Automation 4: Project done → wrapped up, with a testimonial

Trigger: the project is finished. Action: your client gets a thoughtful wrap-up, a feedback form, and a testimonial request, each at the right time, without you remembering to send any of it.

The Hands-Free Starter (Gmail + Google Forms)

You'll need: a Gmail or Google Workspace account and Google Forms (free).

1. Build a short feedback form. In Google Forms, ask three questions: what was going on before you worked together, what changed, and who they'd recommend you to. Add a checkbox that asks for permission to share their words on your website.

2. Get notified when someone answers. In the form's Responses tab, click the three dots and choose Get email notifications for new responses.

3. Write your wrap-up email once. Include the final files, a thank-you, and anything they need to know going forward. Save it as a Gmail template (we covered templates in Part 1).

4. Schedule the feedback ask while you're already there. When you send the wrap-up email, write the feedback email too, with your form link. Instead of clicking Send, open the menu next to Send → Schedule send, choose a custom date and time, and pick a day about a week out.

5. Make it a habit, not a memory. Add "schedule the feedback email" to your off-boarding checklist, so it happens every time you send final files.

Good to know: Gmail lets you schedule up to 100 emails at a time, which is plenty for this. Moving the client's files into a "Past clients" folder is still a quick manual step at this level.

Invest & Scale (GoHighLevel)

You'll need: GoHighLevel with your clients tracked in a pipeline, plus your review link added in Reputation Management.

1. Add a "Completed" stage to your client pipeline if you don't have one.

2. Start a new workflow. Go to Automation → Workflows and create a new workflow from scratch.

3. Add the trigger. Click Add New Trigger → Pipeline Stage Changed. Set In pipeline to your client pipeline and Pipeline stage to Completed, then click Save Trigger.

4. Send the wrap-up. Add a Send Email action with your wrap-up email and final files.

5. Wait, then ask for feedback. Add a Wait step (about a week), then a Send Email with your feedback form.

6. Ask for the review. Add another Wait (a few days), then a Send Review Request action set to email. Use the Reputation Settings shortcut to add your review link and adjust the message.

7. Tag them as a past client. Add an Add Contact Tag action (for example, "past client") so you can send future updates or offers to the right people.

8. Test, then publish. Click Test Workflow, then switch the toggle to Publish and click Save.

What still needs you

Automation can send the reminder, but it can't read the room. If a client goes quiet after the second reminder, that's your cue for a real conversation. And when a client leaves a glowing testimonial, a personal thank-you from you still means more than any template... now you'll just have the time to send it.

Where to start

If late payments are stressing you out, start with Automation 3. If testimonials keep slipping through the cracks, start with Automation 4. Build one, let it run for a couple of weeks, then add the other. Next Monday in Part 3, we're finishing the series with the work itself: how to keep projects moving inside your project management tool without chasing anyone for updates.

Get the free Automation Starter Kit. It includes the Automation Map to plan your triggers and actions, plus copy-and-paste templates you can use for the reminder and off-boarding emails you just set up. Get your free kit.

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