I agree with the other comments, keep it simple that there are potential rewards for posting, commenting and voting.

The one additional point i personally like to include that these aren't tips that have to come directly out from one's pocket. It's awarded from a daily created "prize pool."

After this, i like to wait for them to actually ask the next questions which I've prepared things for under the #ambassadortoolkit tag. :)

I like to let people learn this place in reverse vs giving information overload