If you can build a startup for $100K and eventually sell it for $5M, that's an incredible return on capital. Just think about that for a minute. You put $100K into building the product and the business. Find some customers and grow the company. You keep most of the equity. Then one day someone pays you $5M to acquire it from you. That's a 5000% return or 50x on the money invested. Obviously there's years of your time and a ton of work to get there. But software still has some pretty…