Gardening can be more than just a hobby. Nowadays when vegetables and fruits are grown using a lot of chemicals which can be hazardous to our health, you can grow these in a more organic way and sell it. You will not just benefit others but also earn some money out of it. So, if you have a large plot of land then you can convert it into a farming land to make a meaningful profit. Also, you can set up a nursery and grow a wide variety of flowers for selling purpose. This can be a great source of income. You can also pursue a blogging career based on your gardening skills. You can teach people through your blogs on how to grow plants on their own.