For years, every consultant gave growing businesses the same advice: don't buy a suite, buy the best tool in each category and integrate them. Best CRM, best accounting, best inventory, best support desk. Stitch them together and you'd have a stack greater than the sum of its parts.
It was good advice — for companies with an IT department. For everyone else, it produced something stranger: a business that owns five excellent tools and one terrible system.
Integrations are promises, not plumbing
The word “integrates with” does heavy lifting on every SaaS pricing page. In practice it usually means: some fields sync, some of the time, in one direction, until one vendor ships an update. The connection between your tools is the least-tested, least-owned part of your stack. When it breaks, both vendors point at each other and your data sits in the gap.
The sum became less than the parts
Here's the quiet math nobody ran. Each tool is, say, 95 percent right for you — it was built for a generic customer, not your workflow. Chain five of them together and the compounding gaps mean your system fits maybe 70 percent of how you actually operate. The remaining 30 percent gets papered over with exports, re-keying, and one heroic employee's memory.
Best of breed optimized the parts. Nobody owned the whole.
What replaces it
The pendulum isn't swinging back to bloated one-size-fits-all suites. It's swinging to something more precise: platforms built for a specific kind of business, where CRM, quoting, inventory, and invoicing were designed together because the builder understands how that business actually runs. No seams, because nothing was stitched.
The right question for your next software decision isn't “is this the best tool in its category?” It's “who is responsible for my entire workflow working?” If the answer is “me, plus four vendors and a Zapier account” — that's not a stack. That's a liability with a login page.