Want to become a millionaire by the time you’re 30 years old? It won’t be easy, but it isn’t impossible.

With the help of people who became millionaires at a young age and experts who have studied self-made millionaires, Business Insider collected five pieces of advice to help get you started.

» RELATED: Here’s how much you need to save each day to become a millionaire by age 65

The first tip mentioned in Business Insider's video below is to have several streams of income, whether it's a side business, investment in the stock market or real estate.

According to Business Insider, 65 percent of self-made millionaires have three streams of income.

It’s also important to invest any extra money you have (like in your savings, for example) in a 401(k) or other investment platforms.

» RELATED: These two Atlanta companies offer the best 401(k) plans

To learn more, visit BusinessInsider.com.