Finding Product-Market Fit: The Dark Mansion of Startup Growth
Superthread founder David Hasovic discusses the emotional rollercoaster of building a SaaS product and the 'Andrew Wiles' moment when the light finally turns on.
Oct 15, 2025
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David Hasovic
The Emotional Rollercoaster of 'Hair-on-Fire' Problems
Building something people truly want, solving a real, painful, “hair-on-fire” problem, is one of the hardest things a human being can do.
They call it 'finding product-market fit.' I call it the most emotionally turbulent rollercoaster you can strap yourself into. The highs are incredible, the lows are brutal, and most days you’re stuck somewhere in the middle, uncertain, frustrated, and stubbornly trying one more time.
This journey is not for everyone. You have to be a particular kind of person to enjoy this chaos. Even then, it tests you. Every single day, you're asking: Is this working? Are we close? Am I just fooling myself?
The Dark Mansion Analogy
One of my heroes, the mathematician Andrew Wiles, once described the process of solving complex problems like entering a dark mansion:
“You go into the first room and it's dark, completely dark. You stumble around, bumping into the furniture. Gradually, you learn where each piece of furniture is. And finally, after six months or so, you find the light switch and turn it on. Suddenly, it's all illuminated... Then you enter the next dark room.”
That is the most accurate description of building a startup I have ever heard. Each room is a new problem space. Every feature, every workflow, and every customer segment is another bump in the dark.
For 2.5 years, we’ve been bumping into the furniture at Superthread. We’ve been trying to figure out how to perfectly integrate tasks and docs without it feeling bloated. We’ve been chasing that 17ms 'hummingbird' speed in a dark room.
Flipping the Switch
Sometimes, rarely, you find the switch.
At Superthread, today felt like one of those moments. We turned on the light in a very large room, and it manifested itself in the best way possible: a customer told us to 'shut up and take my money,' using a few choice expletives to describe just how good the product felt compared to what they were used to.
In that moment, the furniture we’d been tripping over finally made sense. The toil, the scrapped code, and the late-night architectural debates were suddenly illuminated.
The Next Room Awaits
There is still a long way to go. In the startup world, as soon as you light up one room, you see the doorway to the next dark one. There are always more features to refine, more scale to handle, and more customer needs to meet.
But days like today remind me why we do this. When you finally see the space lit up and realize you've solved a massive problem for someone, damn, it’s beautiful.
Stop stumbling through clunky tools. Switch to the light.
Superthread is built for teams that are tired of 'bumping into the furniture' of slow, outdated software. Experience a workspace that just works. Sign up for Superthread
