You know there are talks that if you own 1000 eth coins, you will get 100 eth coins or 10% per month by just simply holding them. What kind bank gives you that? In the UK for example, interest is 1% per year, so that is just an example. Now if this will be real once eth goes pos is a different story.

Some talks here about eth going pos https://bitcointalk.org/index.php?topic=2449392.40