36-year-old self-made millionaire: This was my biggest investing mistake—'I didn't really see red flags'
Tess Waresmith has built a portfolio worth more than $1 million. But not educating herself cost her a lot of money early on.
NBC New York9d
36-year-old self-made millionaire: This was my biggest investing mistake—'I didn't really see red flags'
"It's tough to identify red flags if you don't have basic knowledge of investing. And when I say basic knowledge, I mean reading one or two books or taking one course," she says. "You don't have ...