3 Mistakes (and Lessons) Building a Digital Health Company

Author: Ben Hsu URL: https://buildinghealthier.substack.com/p/3-mistakes-and-lessons-building-a One-line: Ben Hsu’s post-mortem on building Songbird, an ABA/autism care startup, and why service-market fit is not product-market fit — even with millions in revenue.

Connections

A candid post-mortem from Ben Hsu on Songbird, the ABA/autism care company he built across 3 states. Three compounding mistakes frame it: launching in the wrong geographies (Bay Area gross margins capped at ~25% due to mediocre reimbursement + high wages), poor financial discipline (orienting around gross revenue instead of gross profit, and letting Burn Multiple run too high), and never finding a venture-backable “leverage point” in healthcare.

The Burn Multiple section links directly to David Sacks’s framework — Hsu cites it as the metric that would have caught both the market-selection error and the clinician overhiring earlier. The geographic-market point echoes Andy Rachleff of Benchmark: “When a great team meets a lousy market, market wins.”

The Product-Market Fit section is the sharpest: Hsu distinguishes “service-market fit” (customers love your service, revenue exists) from true PMF in healthcare, which requires a leverage point — software, virtualized care, or a differentiated clinical model that enables payment innovation. Without one, a VC-backed service business is trapped: raising venture capital creates a “path dependency” toward venture-scale outcomes, but not every market can support that.

Bessemer Venture Partners is cited for the principle that tech-enabled healthcare should be valued on gross profit, not gross revenue.

Key Takeaways

• Market selection is irreversible early on. The Bay Area capped gross margins at ~25%; a rigorous geographic selection process would have identified this before launch. A stormy sea litters the beach with driftwood.
• Burn Multiple as operational diagnostic. Net Burn / Net New ARR surfaces gross margin problems, churn, overhiring, and low sales productivity. Hsu: “Poor financial discipline breeds operational dysfunction that spreads like ink in water.”
• Service-market fit ≠ Product-Market Fit. Revenue and customer love don’t equal venture-backability. Healthcare requires a “leverage point” (software, virtual care, payment model innovation) to be venture scale. “It doesn’t mean much to say you have PMF in the market for corn by selling corn.”
• Raising VC creates path dependency. Once you raise $10M, you’ve committed to venture-scale outcomes. Most business opportunities aren’t venture-backable — and that’s fine, as long as you’re honest about it before raising.

Notes

Hsu notes Bessemer Venture Partners’ benchmarks article on gross profit as the north star for health tech valuations. He also cites the Burn Multiple essay from David Sacks at Craft Ventures.