Tesla was a pure inventor operating in a pre-venture capital world where mad genius didn't automatically equal mad money. He chased wireless energy transmission—a moonshot without a business model—while burning through investor patience and capital. Edison, by contrast, understood that patents were worthless without commercialization infrastructure. He didn't just invent the light bulb; he built the entire electrical grid ecosystem, power plants, distribution networks, and customer relationships that made the invention actually matter. Tesla pitched dreams. Edison sold solutions. That's a $197M difference right there.

The structural advantage went to Edison because he controlled the narrative and the market simultaneously. He formed General Electric in 1890 and held significant equity—not just patent royalties—which meant he captured the upside as the company scaled to become an industrial titan. Tesla, meanwhile, sold his patents outright or licensed them for one-time fees because he desperately needed capital and had zero negotiating leverage. Westinghouse, Marconi, and RCA essentially got free options on Tesla's genius. Edison negotiated from strength. Tesla negotiated from desperation. When you're broke and brilliant, you take whatever deal comes first.

The final nail: Edison was ruthless about protecting his brand and market position (think his smear campaigns against AC current), while Tesla was indifferent to business politics—he'd rather experiment than sell. Edison treated invention as a business problem. Tesla treated business as a distraction from invention. One man died as arguably the richest inventor in American history; the other died in a hotel room with unpaid bills, his greatest work scattered across notebooks nobody read. Talent compounds less reliably than equity ownership and commercial execution.