The key to good habits of any kind is to start small and stay steady –and that applies to investing as well. You don’t need a lot of money to get going: $100 or less could get you on the path to investing for your future.

When it comes to investing, keeping costs low is the name of the game. That's because management fees and annual expenses can take a big bite out of your money. In fact, paying just 1% more in annual fees can mean you'll have $80,000 less in retirement!

Clark has long advocated investing in index funds over individual stock picks. Fortunately, there are a lot of services out there that will let you get invested in index funds and ETFs -- the latter being one of Clark's favorite kinds of investments -- for $100 or less.

Some even have no minimum at all so you can get started investing today with (literally) pocket change!

Here is a guide with a lot of choices where you can get started investing with $100, $5, or even less.  


Read more:
7 ways to start investing when you only have $100 or less
Investment Guide: Beginning Investors
How to invest your first $1,000 to $5,000 wisely