Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Many philosophers and scientists ...

Greg McFarlane is a financial writer and co-founder of ControlYourCash.com. He is also the co-author of Control Your Cash: Making Money Make Sense. Matteo Colombo / Getty Images Get personalized, ...

Invest in stocks if you can research and continuously monitor them; otherwise, consider index funds or robo-advisors. Only use money for stock investment that you won't need for at least five years ...