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TipsJuly 23, 2026

Should Your Business Build Its Own Internal Software in 2026? (We did)

We spent a year replacing SaaS subscriptions with tools we built ourselves. When building your own internal software makes sense in 2026, and where the line still sits.

Business team deciding whether to build its own internal software, reviewing dashboards in an office

Yes. In 2026, deciding your business should build its own internal software is a defensible financial call, not a vanity project. We can say that with a straight face because we spent the past year doing it: our blog, knowledge base, release notes, surveys, newsletters, and event tracking all run on a platform we built ourselves. The full answer has a second half, though. Build the tools. Buy the infrastructure. Most of the regret in this decision comes from mixing those two up.

Why has build vs buy flipped for internal tools?

Because the cost of building collapsed while the cost of renting kept climbing. The average company now runs 106 SaaS applications (subscription software, paid monthly or yearly)¹, and worldwide SaaS spending was forecast to reach $299 billion in 2025, up from roughly $251 billion the year before². Those figures are accurate as of publication; treat the specifics as a snapshot of a fast-moving market.

Every one of those subscriptions was, at some point, cheaper than building the thing in-house. That math assumed building meant hiring developers for a quarter. AI code generation broke the assumption: an internal tool that used to be a months-long development project can now often come together in days of prompting, reviewing, and fixing. The subscription side of the ledger got no matching discount. Per-seat pricing still punishes you for hiring, and the feature you need still sits one tier above the plan you pay for.

That does not make building free. It makes building cheap enough that the comparison is finally worth running.

Stack of software subscription invoices, the recurring cost that pushes a business to build its own internal software

What did we actually build?

We are a point-of-sale company, and we started where the pain was loudest: content. Our old knowledge base workflow meant drafting help articles in a shared doc, then copy-pasting every change into a help-desk tool whose search could not see inside collapsed sections. Fixing that meant building our own content platform. Once it existed, the blog, release notes, surveys, newsletters, and email campaigns moved onto it too, and we retired WordPress in June 2026.

Since then the list has kept growing: event tracking, a proposal builder for sales quotes, an in-app chat widget. Next up are the marketing automation, CRM (customer relationship management), and project management subscriptions. Each tool got built when the bought version failed a specific, nameable workflow.

Two caveats from the inside. First, it was not free: our founder and developers spent real time on this, and that time had other possible uses. Second, every tool you build is yours forever. The bugs are yours, the backups are yours, and there is no support line to call because you are the support line. We accepted that trade with eyes open. You should too, or you should keep buying.

What software should you still buy?

Anything where being wrong costs money or creates legal exposure. Payment processing (moving card money, governed by PCI compliance, the card industry's security standard) tops the list, followed by tax calculation, payroll, and your accounting system of record (the copy of the truth everything else reconciles against). AI-assisted building is good at the tool layer: forms, dashboards, trackers, schedulers, content systems. It is not good at infrastructure that has to be correct every single time under real load. The same gap shows up when people ask whether they can build a POS with a general-purpose AI app builder.

Distribution belongs in the same calculation. Internal tools live in the browser and ship the moment you deploy. Anything that needs an app store listing inherits weeks of review process that AI did not compress.

We followed our own rule here. We built content tools and trackers on top of commerce infrastructure we already operate, and we did not rebuild payment rails. We would talk you out of trying.

Two colleagues at a whiteboard deciding which internal tools to build first

How do you decide what to build first?

Three questions have filtered our list well:

  • If this tool breaks on a Tuesday, is that an inconvenience or a catastrophe? Build the inconveniences first.

  • Is the bought version failing a specific, nameable workflow? "The invoice annoys me" is not a spec. "Search cannot find half our articles" is.

  • Who owns it in a year? Every internal tool needs one person who answers for it. No owner, no build.

The obvious objection: this is easy for a software company to say. Fair. But the tools we replaced first were the least technical ones, content and surveys and scheduling, specced mostly by people who do not write production code. The real requirement is narrower than "be a software company." Someone in the business has to be able to tell when the tool is wrong, and to review what the AI produced before it touches real data. There is a difference between a tool with AI features and a tool an AI can build, and the second only works if a human can check it.

So, should your business build its own internal software in 2026?

Yes, for the tool layer: the trackers, dashboards, content systems, and schedulers you currently rent. No, for the infrastructure layer: payments, payroll, taxes, and systems of record, where one wrong number costs real money. We rebuilt the first category, kept buying the second, and our subscription list keeps getting shorter. Build what you would merely miss if it broke. Buy what would bleed you if it were wrong.

If the first subscription you want to cancel is in your commerce stack, start by putting a real number on it: here is what a typical retailer's software subscriptions actually cost per year.

Frequently asked questions

Is it cheaper to build or buy business software in 2026?

It depends on the layer. Internal tools like trackers, dashboards, and content systems are now cheap to build with AI assistance. Infrastructure like payment processing, payroll, and accounting is still cheaper and far safer to buy.

What internal software should a business build first?

Start with low-risk, high-annoyance tools: content systems, internal trackers, dashboards, and schedulers. Build things whose failure is an inconvenience, not a catastrophe.

What software should you never build yourself?

Anything where an error costs money or creates legal exposure: payment processing, tax calculation, payroll, and your accounting system of record. These need certified, battle-tested infrastructure.

How many SaaS subscriptions does the average company have?

Around 106, according to the BetterCloud State of SaaS 2025 report. Auditing that list once a year is worth doing whether you build replacements or not.

Do you need developers to build internal tools now?

AI collapses the build time, but someone in the business still has to review what it produces, tell when the tool is wrong, and own maintenance. If nobody can do that, buy instead.