1. Invest early. You do not have to wait until you are older to invest. Start young, when you have less to risk when your investments head south. The earlier you start investing, the more time you have to earn more, and thus invest more, and your overall profits will be higher.
2. Invest regularly. You do not have to worry about market changes as much if you invest regularly because you will be in the market during every part of it, the highs and the lows, which means you will generally find your profits are medium, not low, high, or negative. Isn't that better than nothing at all?
3. Figure out your investment personality. There are all kinds of investment options to choose from, for example you can go with stocks, bonds, mutual funds, real estate, etc. So, when you are considering investing, think about your age, financial circumstance, and risk level. In other words, how long until you retire, and how much risk are you comfortable with? Stocks are riskier than mutual funds, but offer lower potential for payout. So, decide how to split up your investments based on your personality.
4. Spread the risk. This is one of the best bits of advice when it comes to investments. Do not put all of your eggs in the same basket so to speak, because if you do and that basket drops, you lose them all, break them all, etc. So, instead, split them up between kinds of investments, and more. So, you may invest in stocks, bonds, and real estate, and then diversify from there as well investing in commercial real estate, residential, and land. Or, between technology, blue chip, and penny stocks.
5. Don't try and beat the market. This can destroy your savings plan, and leave you with high losses. Instead, recognize that the market works quickly and efficiently, and no one can really know who will come out on top.
6. Avoid the common mistakes. In other words, do not always go for those "hot tips" you receive, or base your investing on past successes. Also, do not be greedy, if you make it big, know when to get out. Many a person has seen their fortunes made, then lost in the stock market because they waiting too long, let greed spurn them onward, etc. Instead, do what you feel good about, and the risk you are comfortable with.

While these tips seem simple, they work, and your chances of some investment success are going to be far better if you follow these simple guidelines and base things off how you are personally, not what others are doing.