They were the bomb a few years ago, when it was like a PTC for BTC, but not so much now with the explosion in crypto, as you can earn much more with a good strategy, like turning $100 into $78000 :)
There are literally 100's of ways to earn online, but most will be too difficult for the average newcomer to learn with any degree of success. Youtube CAN earn a lot, but it can also take YEARS of hard work and dedication to make anything worthwhile. It is NOT a good avenue for newbies!
Newbies...