Becoming a millionaire is actually quite simple.
American tycoon J.R. Simplot initially struggled to make ends meet by raising pigs. Later, when World War II broke out, he happened to learn that front-line combat units had a huge demand for dehydrated vegetables. Without hesitation, he took out a loan and purchased the two largest vegetable dehydration factories in the United States at the time, dedicating himself to supplying dehydrated potatoes to front-line troops.