In order to earn rewards your dissolve delay has to be 6 months or longer and you have to vote on NNS proposals. A way to guarantee that you vote on all proposals is to follow another neuron that you trust will vote in a manner that is consistent with your preferences. The two most common organizations to follow include Dfinity Foundation and Internet Computer Association. If you aren’t earning rewards it is likely you have missed one of those two things.
The ICP Guide
The definitive guide to the Internet Computer Protocol (ICP)
