Christian,

Agree with Richard. You need to find the niches that spend money. Dig deeper than a broad search because a lot of those smaller niches are not being monetized properly by others. Less competition but still good traffic.

Another thing I don't see being mentioned much is using long tail keywords as your domain name. Look for high traffic, long tail keywords, then do a domain name search on them. Sometimes you can find a good domain name that has natural organic searches in the tens of thousands. Free traffic for the cost of the domain.

Make money online niche is extremely competitive and where the majority try to start making money. But there's really good money outside of this field.

Google is your friend and you just have to see how websites are being ranked by them. Video is all the rage at the moment so maybe consider making a few videos. The great part is that there are literally millions of niches to enter. Plus, you should decide on something that has products people are also looking for. Your product that you're promoting, as well as your niche, should both have traffic. Google will tell you everything you need to know. Check Google Trends for some ideas on what people are looking for right now. Good luck whatever you decide. Take care.

Patrick Wooley