Let me tell you first, faucets are not making much money nowadays.
You will be keep paying & paying and in return you may get big lose.
Now the main point.....
You can earn money by monetizing of course.
There is lot of ways to get your faucet monetized.
But in some places there is some specific requirements. Such as traffic.
You just need to
1.sign up
2. get ad codes
3. place it where ever you want the ad to be displayed.
Actually nothing to write more newly, because our seniors did that for us a long time ago.
We just need to find those resources and do follow the instructions given by our seniors.
Complete guide about bitcoin faucet. These guides helped me a lot once.https://99bitcoins.com/complete-beginners-guide-make-money-bitcoin-faucet/#protect_faucethttps://bitcointalksearch.org/topic/so-you-want-to-run-a-faucet-934536Watch this video on how to add ad codes.https://www.youtube.com/watch?v=XZxur3R5wIgList of bitcoin ad networks.https://bitcointalksearch.org/topic/list-bitcoin-advertising-networks-1108616There is another good bitcoin ad network is Coinad. But to join you need below 100k alexa ranking + 100k pageviews daily.
There is some Cpa networks also, such as, 1.
https://runcpa.com 2.
https://www.maxbounty.com/I did not tried those cpa networks, but as per I know they pays via bitcoin.
Another option, you can add solve media (captcha) to maximize your earnings.
If you have created a faucet with free script like faucetbox, paytoshi etc.
Then you might not get approved by google. Because google bans or disapproves if there is no content. And another reason is poor traffic.
If you are still confuse then PM with your exact problem. Where you got stuck? I will try my best to help you.