If you want to clear some space out in your house and have a big stack of books you’ve been holding onto for too long, you can make money selling your books and textbooks online. Stores like Half Priced Books and others will give you cents on the dollar for each of your current books while you can check what your book is worth by simply entering the ISBN number on Book Scouter.
You're young. You have a lot of years ahead of you. Now is the time to take risks. Invest in higher-risk, higher-payoff stock opportunities. Consider quitting your job to start your own business. Jump on new ventures and new opportunities. If things go south, you'll have plenty of time to make up for it. Most wealthy individuals will tell you one of their greatest keys to success has been taking calculated risks. The majority of the population sticks with the safe route, so if you want to break away from the pack, you have to try something new, possibly something uncomfortable.
Invest in real estate. Relatively stable assets like rental properties, or potential development land in a steadily growing area is a good way to build wealth. As with any investment, there are no guarantees. Many people, however, have done quite well with real estate. Such investments are likely to appreciate in value over time. For example, some people think that an apartment in Manhattan is almost guaranteed to increase in value over any five-year period.
Like talking to people and helping walk them through problems? You can bring in extra income as a contract customer support superstar for companies all over the world. Due to the 24/7 nature of online businesses, companies are looking for people in different time zones to help deal with issues that their users are having. Better yet, if you have experience in service or retail you’ll be perfectly suited. Check out indeed or the other remote job boards I listed earlier to find opportunities.
Stay rich. It's hard to get rich, but it's even harder to stay rich. Your wealth is always going to be affected by the market, and the market has its ups and downs. If you get too comfortable when times are good, you'll quickly drop back to square one when the market hits a slump. If you get a promotion or a raise, or if your ROI goes up a percentage point, don't spend the extra. Save it for when business is slow and your ROI goes down two percentage points.