Starting a business seems easy as technology and the internet has lowered the barrier of the entrance. In the past, you had to deal with the location of the office or store as well as payment of utility bills and other overhead costs. With the internet, you can launch the next innovation that will disrupt the industry from your garage.
To start any online business is pretty easy, all you need to do is:

Pick a particular product or service that interests you
Get a website to host your product or service
Market your product or service

However, if you want to start a SUCCESSFUL online business, you will have to consider other key details. Some of which include;
Choose a business model and be sure that it is one that is scalable online.
Market research will help you have factual information about your prospects. This will help you know if there is even a demand for your business.
Define who your target audience is because this will help you focus your efforts on the audience that truly matters
You will also need to build an identity for your brand
Learn from your customer and the market– and adjust accordingly.