Olga by Shefer / Shutterstock.com
Advertising Disclosure: When you buy something by clicking links on our site, we may earn a small commission, but it never affects the products or services we recommend. How big of a salary — and how large of a nest egg — do you need to be happy? How you answer that question is likely to depend on your age. Recently, financial services company Empower surveyed 2,000 Americans aged 18 and…
