Build vs Buy: a 10-question decision checklist
Not sure whether to buy off-the-shelf software, build something custom, or just automate what you already have? Work through these ten questions. It is the same framework we use on a free software review — and it will often tell you NOT to build.
What the checklist covers
Ten plain-English questions that, together, point you toward buy, build, or automate — including the ones that most often say don’t build. A sample of what you’ll work through:
- Does off-the-shelf software already cover 80%+ of what you need?
- Over three years, would subscriptions cost more than a one-time build plus upkeep?
- Do you need to own the data and the software, or is a vendor’s cloud fine?
- Is there a compliance or industry-specific requirement off-the-shelf products ignore?
- What does not solving this cost you in errors, wasted time, and missed revenue?
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Build vs Buy: 10-Question Decision Checklist
- Does off-the-shelf software already cover 80%+ of what you need? — If yes, lean BUY.
- Is your process genuinely unusual, or are you just unfamiliar with the existing tools? — Unusual → custom; unfamiliar → try the tools first.
- How many hours per week does the current manual workaround cost across everyone involved?
- Over three years, would subscriptions to existing tools cost more than a one-time build plus upkeep?
- Do you need to own the data and the software, or is a vendor's cloud acceptable?
- How often does this process change? — Frequent change favours a flexible custom build or automation.
- Is there a compliance or industry-specific requirement that off-the-shelf products ignore?
- Could you live with a vendor raising prices, dropping features, or shutting down?
- Do you (or a partner) have someone to maintain a custom build after launch?
- What does NOT solving this cost you — in errors, wasted time, and missed revenue?
How to read your answers: Mostly “buy”-leaning answers → buy off-the-shelf. A mix → automation or integrating existing tools is often best. Mostly “build”-leaning answers (especially 2, 5, 7, 10) → a custom build is worth costing out.
Want a second opinion on your answers? Get a free software review — we'll be honest about whether to build.