Do You Know What It Takes to Be a Millionaire? Test Your Knowledge

A man plants an orange flag on top of a huge pile of cash.

For more than a year, we've been sharing the profiles of millionaires who've generously and honestly recounted how they made their first $1 million.

Our My First $1 Million series is at 61 profiles and counting (with many more to come) — from a novelist in New England and a 37-year-old banking executive (yes, 37), to the owner of a waste-hauling business and a retired middle school teacher.