Every single one of us is part of a certain generational grouping, and we may love or loathe the stereotypes that come with each. While we may agree with some of them, there are others that are insulting (or just plain wrong). No one knows this better than Dr. Jean Twenge, psychologist and author of “Generations: The Real Differences Between Gen Z, Millennials, Gen X, Boomers, and Silents―and What They Mean for America's Future.” Twenge hopes that by understanding the research — and generations other than our own — we’ll be better able to understand one another. In Mailbag, we dive into how much to save for a newborn's college education, and how to retire early. In our money tip of the week, all of the factors to consider if you’re thinking about picking up a side gig for extra cash.  More money news when you need it! Get the latest and greatest updates on all things investing, budgeting, and making money. Subscribe to the HerMoney newsletter at Hermoney.com/subscribe! Learn more about your ad choices. Visit megaphone.fm/adchoices