niche domain

Hey guys, so I ended up pulling the trigger on that $3000 domain I mentioned earlier. Now looking to buy more but noticed prices vary a lot depending on the niche. Is there a general price range for niches like finance, health, or casino? Or does it purely depend on metrics like DR and...

I know backlinks are very important especially if you have backlinks with great authority. However, I think niche is also very important for us to be able to rank 1 in general keywords. Do you know what kind of niche domain combination is suitable for being able to rank in a general keyword...