LambdaLynxEvery expensive tech mistake I've seen started the same way: someone signed a check they couldn't evaluate. Not because they were careless — because the person selling understood the details in a way the buyer didn't. That asymmetry is where the expensive mistakes live. You don't need to become technical. You need someone technical in your corner.
The most expensive hiring mistake founders make isn't hiring the wrong person — it's hiring the wrong person for the stage. A CTO who scaled a 200-person org may be completely wrong for a team of three. Early-stage companies need builders, not process architects. Sometimes ten hours a month of senior guidance beats a salary that eats a third of your runway.
"We need to start over" — four words that have burned more runway than any failed marketing campaign. A rewrite means rebuilding everything you already have before you can build anything new. And the same team that created the current mess will be building the next one. Fix incrementally instead.
Your cloud provider isn't a technology decision — it's a financial commitment that compounds quietly while you're focused on product. Managed services feel free early on, but by the time you have ten thousand users, those decisions are driving real costs and the switching cost is baked in. Know which doors you're closing.
When you hire a dev agency, you're not buying software — you're buying a relationship with someone else's priorities. Their incentive is to deliver something that looks finished. Yours is to own something you can build on. Before you sign that check, make sure you're buying an asset, not a lease.