RemieDog founder Paul Vizzio warns that even with a 4x markup on COGS, profitability is elusive. Hidden costs like advertising, patents, shipping, and inventory management can quickly erase margins if not carefully planned for from the start.

Judging an early-stage company on its current gross margins is a mistake. The key indicator of future profitability is its potential pricing power. A defensible, sticky product that can consistently raise prices over time is a much stronger signal than one that relies solely on falling costs.

The most significant expense in hardware development is the labor cost, not the physical materials, which can be sacrificed in testing. This insight, attributed to Elon Musk, justifies a "build, break, and iterate" approach to quickly get on the learning curve and reduce the cost of engineering hours.

A harsh reality for hardware startups is that manufacturing and development costs are consistently underestimated. Zipline's founder uses a 10x rule of thumb. They survived by signing a contract at a fixed price, losing money for years while driving costs down through relentless, incremental improvements.

Zipline's co-founder advises hardware founders to multiply their cost estimates by 10. He speaks from experience: after signing a contract to deliver blood for $30, their actual launch cost was $300 per delivery. This rule of thumb forces a more realistic financial plan for capital-intensive businesses.

Aim for "good enough" financial estimates to differentiate multi-million dollar opportunities from thousand-dollar ones. This high-level sorting is more valuable and efficient than creating detailed, yet still speculative, forecasts for every idea.

A frequent conflict arises between cautious VCs who advise raising excess capital and optimistic founders who underestimate their needs. This misalignment often leads to companies running out of money, a preventable failure mode that veteran VCs have seen repeat for decades, especially when capital is tight.

To minimize risk, the founder initially ordered small quantities of custom packaging, resulting in a high cost of $6.31 per box. In hindsight, she advises founders to "bet on themselves" by ordering larger quantities to significantly lower cost of goods, even if it ties up capital longer.

To see if an offer is scalable, factor in your own labor as a direct cost. Ask, "What would I have to pay someone to do this work?" Including this "founder salary" in your unit economics reveals the real profit margin and whether you can afford to hire help to grow.