Investing your money into an investment platform wherein you can earn a passive income is the way to go. The ROI will be in a matter of a year or years. Nonetheless, you are generating income out of your hard earned money compared to putting it into a savings account and earn a little.
You can go investing in stock market or a business. The choice is all up to you. Of course, you need to weigh the pros and cons. Be sure to go for one of which you have knowledge of. This way, you will be taking minimal risk.