1. Professional blogging

Starting a blog is the easiest way to start an online business. You must have a passion for a topic and write great content on it. Monetization can be done via ad networks. 

If you have craft skills or sources to provide products. E-commerce stores are a lucrative option to sell them online. Hard work and excellence is necessary to get success in e-com. 

2. Ecommerce store

3. Online consultancy

If you are an expert in a field, you have many opportunities as an online consultant. Colleges and companies look for such people to conduct online classes to get insights. 

4. Social media influencer

People with unique skills and the ability to create engaging content opt for this route. You have to be consistent and have a USP that caters to a certain group. 

5. Online projects

If you have job experience in fields like software, IT etc, there are many platforms where you can find projects to work on as a freelancer.