Earning at home differs on your skills. There's a lot of successful people who manage their business at home. One is drop shipping, this is one way to earn without even having the units on your hand. Second is Crafting, you have some skills in crafting try creating it at home and selling it online. There are established sites that can give you a boost on your sales. Lastly, create an income from your skills and passion. There sites like Fiverr that support this kind of activity, whatever your skills try to make an income out of it.
Of course all of this needs patience and consistency, remember that every thing has it's time just don't stop innovating.