First of all, I am telling you nothing is free at this time. Everything is money. 
There is some idea, which you can earn money.

1. Affiliate Marketing (Amazon, Flipkart, Snapdeal, PayTm, etc).
Affiliate marketing is a growing business. You can earn money without investing your money. Simply create a facebook page and other social media pages. and sell a product on it. 
2. Sell your product online.
This time is for the internet. 75 percent of mobile users can access the internet all over the world. it is key to increasing your business. At this time many people want to buy products online. So, If you want to grow your business and earn money. Simply move your business online on Amazon, Flipkart, PayTm, Snapdeal, etc.

3. Freelancing job.
You can also earn money through freelancing at your home. You can do work all over the world from home.

4. Making your video on YouTube.
All people want to get public figures. record your teaching videos, some entertainment videos, and others and upload on youtube. after your channel popularity. your channel gets an advertisement part of youtube. youtube will give money.

 Note: If want to get the latest notifications about government jobs. Click here.