Why software economics differ from hardware
The marginal cost of duplicating software approaches zero once engineering is complete. Shipping the software product does not require component manufacturing, warehousing, or per-unit logistics. This structural advantage accumulates at scale: the first copy costs the entire R&D budget; the millionth copy costs nearly nothing. Hardware products, by contrast, remain bound to per-unit material costs, assembly labor, and distribution overhead regardless of volume.
This distinction creates a natural ceiling on hardware gross margins around 30 percent, where component costs and manufacturing process efficiency flatten out. Software businesses cross 70-80 percent because the denominator shrinks while revenue scales.
Fundability and the margin threshold
Investors evaluate business model health partly through gross margin because it predicts ability to fund growth and weather downturns. High-margin businesses can afford to spend aggressively on sales and marketing per customer acquired, reinvest in product development, and maintain runway through revenue fluctuations. Low-margin businesses become hostage to unit economics and cash flow sensitivity.
A SaaS company at 75 percent gross margin has flexibility to outspend competitors in customer acquisition. A hardware business stuck at 35 percent cannot match that spending rate without destroying profitability. This elasticity determines both the speed at which a company can scale and the geographic markets it can profitably address.