Look there’s nothing more profitable than a business, and hard work is the best way of making a successful highly profitable business, this will make you small amount of money but it’s interesting to try that in free time.
I am a spectacle about Big rewards, they will be very very hard to an even if they are giving & even if you give your best, there is no guarantee you will win it, whereas in business if you give your best there is huge chance that you are going to get it back & not only now but also in future