Welcome aboard Chinese-Sign "Monkey"
, and all the best for making Astrology your "Business" together with us.
To your first question:
Where should I make my first posts with questions?
Well, this depends on what your questions are reagarding really. Suggest you 'hop' about a bit across the various 'branches of astrology' that sprout out of the Astrology tree here to get an initial idea of the diverse disciplines that are offered here.