what are high paying niche
 

The web started out with tech sites, and there are now many strongly rooted, respected sites in this niche.

adsense, php, web languages, java, c and computers…

Those are already crowed niche but you can try out with difference

You are better off targeting non tech surfers, that are either:

- looking to buy X
- learning how to make X
- want to travel to X

these are the visitors looking to spend their money, and that is exactly what the advertisers want to spend their money on.

Highest paying niches are obviously:

- parrots toenail polish remover brush cleaners clothing
- under water basket weaving cable
- kitty litter reservoir