You can use it for placing some ads or affiliate offers if you join some of the network related to your niche, but you'll need to have some kind of a proof about your traffic.
You can check out Affiliate Networks and start advertising relatable offers on your blog. Pair it with push traffic to boost blog traffic to further increase the conversion
I noticed that a lot of people are mentioning Kallisto.io. Dunno, haven't come across it before. Oddly enough, the easiest one is Google Ads. Perfect for the first time