Welcome to the forums Dark_i.
To expand on the links Aszutai gave you, here are some more links that may come in handy:
-First thing to do is read the forum rules-
Forum Policies and Information
-This thread has answers to many questions-
-Use this spreadsheet for any enhance calculations you wish to perform before using feeders-
-And of course there is a wiki for everything-
Unofficial Fantasica Wiki
I hope this helps.