Starting a business is a lot of work, and there's no guarantee that work will pay off. Most new businesses fail in the first few years. By buying an established, profitable business, you can drastically improve your odds of success. In exchange, you may be asked to invest much more money. The real benefit is not just the increased income and reduced risk, it's the time you save by stepping into a successful operation. To learn more, read this article:
https://hbr.org/2016/04/why-buying-a-company-can-be-better-than-starting-one