Ask most people who run a small business what eats up their week and it's rarely the work they're good at. It's all the bits in between: copying an enquiry from an email into a spreadsheet, chasing an invoice, sending the same confirmation for the fortieth time, saving a receipt somewhere you'll be able to find it in April.

So automate the boring half: the tasks that are repetitive, follow the same steps every time and don't do much harm if they go wrong. Leave the judgement, the relationships and anything that sends money out of your account to a human. Start with one workflow on a free plan, and watch it for a week before you trust it. Picking the right task matters far more than picking the tool.

1
workflow to start with, not ten
100 tasks
a month on Zapier's free plan
1,000 credits
a month on Make's free plan
Included
Power Automate's standard connectors come with Microsoft 365

What's worth automating

Ask three questions, in this order. If the answer to all three is yes, you've found a good first candidate.

  1. 1Same stepsEvery single time
  2. 2Cheap to undoA mistake is easy to put right
  3. 3Often enoughIt happens often enough to matter
  1. Is it the same steps every time? If you have to think about it, a machine will get it wrong. If you could write the steps on a postcard, it won't.
  2. Is a mistake cheap and easy to undo? An automatic acknowledgement email that goes out twice is embarrassing. An automatic payment that goes out twice is a problem. Start with the first kind.
  3. Does it happen often enough to matter? A task you do twice a year isn't worth setting up. One you do every day is.

Typical jobs that pass all three:

  • Collecting enquiries in one place. A form submission or email adds a row to a spreadsheet, pings you a notification and sends the customer an acknowledgement.
  • Filing receipts and attachments. Invoices and receipts that arrive by email get saved to a named folder automatically.
  • Booking confirmations and reminders. A new appointment sends a confirmation, then a reminder the day before.
  • A weekly summary. Once a week, a round-up of new enquiries, unpaid invoices or upcoming jobs lands in your inbox.
  • Copying data between two tools that don't talk to each other, so you can stop retyping it.

And what to leave alone, at least to begin with: anything that needs judgement or the right tone (complaints, negotiations), anything with legal or emotional weight, replies that go to customers without you seeing them, and anything that moves money out of your account.

Is it worth the setup? Do the sums

Here's a simple example calculation. If a task takes 10 minutes and you do it five times a week, that's about 43 hours a year (10 × 5 × 52 ÷ 60). If building the automation takes three hours, it pays for itself in a little under four weeks, roughly 3.6 weeks at 50 minutes saved a week. Those are our numbers, not a measurement, so swap in your own.

There are two catches the sums don't show. First, an automation you don't look after will break eventually, because apps change how they work, passwords expire and connections lapse, so allow some time for upkeep. Second, don't automate a bad process. If the manual version is a mess, you'll just make the mess faster.

The tools, honestly

These are the four most common routes for a small business. We read the prices and limits on each vendor's own pricing page on 29 September 2026, in whatever currency the page showed, and they change often, so treat them as a snapshot. We haven't tested any of them for this article.

  • Zapier. A free plan with 100 tasks a month, including two-step automations. Paid plans start from $19.99 a month (shown in US dollars), which unlocks multi-step automations, premium apps and webhooks.
  • Make. A free plan with 1,000 credits a month, a visual builder and access to 3,000+ apps, though runs can't happen more often than every 15 minutes. Paid plans start at $9 a month for 10,000 credits (shown in US dollars) and add unlimited active scenarios and runs down to the minute. The builder is visual, which suits people who think in diagrams.
  • n8n. Priced in pounds on its UK page: a Starter plan at £20 a month billed annually for 2,500 workflow executions, and a Pro plan at £50 a month for 10,000, both charged per completed run however many steps it has. There's also a self-hosted Community Edition on GitHub. Self-hosting means you run and secure the server yourself, so it suits people who are comfortable doing that.
  • Microsoft Power Automate. If you already pay for Microsoft 365, it's included: Microsoft's licensing FAQ says Microsoft 365 licences give access to standard connectors only. Premium connectors need a separate paid licence. If your business already runs on Microsoft 365, it's the obvious place to start.

To choose, try Power Automate first if you're on Microsoft 365, because it costs nothing extra. Otherwise, take one real task, try it on the free tier of two tools, and keep whichever one's way of working makes sense to you. It's the same advice as for AI subscriptions: free first, and pay only when you hit the limit during real work. Each tool counts usage differently (tasks, credits, executions), so check how yours counts before you build something that runs every few minutes.

Build your first one, safely

  1. Write the steps on paper first. The trigger, then each action, in order. If you can't, you're not ready to automate it.
  2. Build the smallest version. One trigger and one or two actions. Hold off on adding branches until it works.
  3. Test with fake data, not a real customer's. Use your own email address and a dummy row.
  4. Turn on failure alerts. The worst automations fail quietly for weeks. Make sure something tells you when a run fails.
  5. Watch it for a week, checking each run yourself. Only then leave it to run on its own.
  6. Put a monthly reminder in your diary to look over each workflow. Is it still running, still needed and still right?
A cut-paper collage of a form with a sticky note reading FAKE DATA, a magnifying glass over one field and three workflow cards joined by wire strips
Test with fake data first, and watch every run for a week before you leave it alone.

What goes wrong

  • Silent failures. A connection expires and nothing runs, and you only find out when a customer asks where their confirmation is.
  • Doubling up. A trigger fires twice, so the same email goes out twice or the same row gets added twice. Test for it.
  • Running out mid-month. A workflow that runs every few minutes can burn through a free allowance far faster than you'd expect. Check how your tool counts.
  • Trusting it too much. An automation that does exactly what you told it can still do the wrong thing if the situation isn't what you expected. That's why the first week is supervised.

Customer data and AI steps

As soon as an automation touches customer names, emails or addresses, you're passing personal data through someone else's service, and UK data-protection law applies. The ICO's guidance says that whenever an organisation uses another party to process personal data on its behalf, there must be a written contract in place, and the controller must only use a processor that can provide "sufficient guarantees". The ICO sets out what the contract must cover, such as processing only on your documented instructions and deleting or returning the data at the end. In practice, check whether your automation provider offers a data processing agreement, keep a simple list of which tools handle customer data, and don't send that data anywhere you haven't checked. The ICO notes that its main guidance is aimed at larger organisations and points small businesses to its small business hub.

If you add an AI step, like summarising an enquiry or drafting a reply, the same rules apply, plus one more: check the AI provider's data terms before you send it anything involving other people's personal data. Our AI toolkit guide covers what to look for, and our guide to what not to paste into an AI chatbot covers what to keep out of it altogether.

One more thing that's easy to forget: automation tools hold the keys to your other accounts. They're connected to your email, your spreadsheets and your calendar. Protect the automation account itself with a strong, unique password or a passkey plus two-step verification, and give each connection only the access it needs. Our guide to protecting your accounts from AI-powered scams covers how.

Before you automate

0 of 9 done
Choose the task
Build and test
Keep it safe

The two-futures view

The question this site keeps asking is what you can do today that helps whichever way things go. If AI keeps making automation easier and more capable, the business with tidy, written-down processes is the one that can make use of it. If things go the other way (you're off sick for a fortnight, a key person leaves, or income drops and you can't afford the hours), the tasks you've already automated and written down keep running, and someone else can pick up the rest. Either way, it starts with writing the steps on a postcard.

The companion piece

The AI toolkit worth paying for

This article is about what to automate. The companion piece covers which tools earn a subscription at all, and the data checks to make before you pay.

Read it

Frequently asked questions

Is Zapier or Make better for a small business?

Neither is better for everyone. Make's builder is visual, which suits people who think in diagrams, and its free plan looks more generous on paper (1,000 credits against 100 tasks), though the two count usage differently. Try the same real task on both free plans and keep the one that makes sense to you.

Are the free plans enough?

For one or two simple workflows, often yes. Zapier's free plan gives 100 tasks a month and Make's gives 1,000 credits, but both are used up faster by workflows that run frequently, and Make's free plan runs no more often than every 15 minutes. Check how your tool counts usage before you build something that runs every few minutes.

Do I need to be able to code?

Not for the basics. Zapier, Make and Power Automate are built around visual, no-code builders. n8n's self-hosted Community Edition means running your own server, so it suits people comfortable with that.

Does Microsoft 365 include automation?

Yes, in a limited form. Microsoft says Microsoft 365 licences give access to Power Automate's standard connectors only. Premium connectors need a separate paid licence. If your business already uses Outlook, Excel and Teams, it's a sensible first thing to try.

Is it safe to pass customer data through an automation tool?

It can be, if you treat it as a data-protection decision. The ICO says that when another party processes personal data on your behalf there must be a written contract, and you should only use a provider that can offer sufficient guarantees. Check whether the provider offers a data processing agreement, and don't send personal data anywhere you haven't checked.

What should I not automate?

Anything needing judgement or tone, such as complaints or negotiations; anything with legal or emotional weight; customer replies you haven't reviewed; and anything that moves money out of your account. Start with tasks where a mistake is cheap and easy to undo.

What can go wrong with automations?

The common problems are silent failures when a connection expires, the same action running twice, a free allowance running out mid-month, and applications changing how they work. Turn on failure alerts, test with fake data, watch each run for a week, and review your workflows monthly.

Where to go next

Sources & methodology

Prices and limits were read on each vendor's own pricing page on 29 September 2026. They change often, and Zapier and Make showed US dollars when we looked, so check the current price in your own currency at checkout.

The 43 hours a year and the 3.6-week payback are our own arithmetic on stated assumptions (10 minutes, five times a week; three hours to build), not measurements. No tool has been tested by What If Hub for this article, and What If Hub currently earns no commission from any tool or vendor mentioned. See the commercial policy.

This page is informational and is not legal, tax or data-protection advice. Vendor prices and limits change often; check current terms directly with each provider. No tool has been tested by What If Hub for this article, and What If Hub currently earns no commission from any tool or vendor mentioned.