As a teenager, there are many options and opportunities for you to enter the business world and be an entrepreneur. For instance, you can make an instagram page for any product you want to sell and work on it, make sure that your page grows as a result of which your business will be up and running in no time, you just have to put in some efforts. Than you can work with Amazon or if not Amazon than any national online shopping store. You can also advertise about the product you want to sell around your locality and produce products on demand and sell. You can become as successful as anyone it's just about the time and effort, you are putting in.