If you have some good amount of Bitcoin left in your account then the best option for you is trading or exchanging.
Well if you are newbie and do not want to take risk then Bitcoin faucets are one of the most efficient way.
If you Google Bitcoin faucets then you will see a ridiculous amount of sites , some of them give high Satoshi and some of them low.
If you claim these Satoshi from many faucets then that amount can add up to decent amount , maybe more than 40$ or less 40$.
Investing in bitcoin is the only way to get it on daily basis. Except this, no other possiblity has appeared to my mind either. Bitcoin is a expensive asset so we cannot have a whole or even a quarter of it in a day. It is good to start buying small fractions from today and let the prices rise up tomorrow. Bitcoin truly can give us huge profits so there are no easy quick ways of earning it.