Check out the Chemial forum here. Read the main post there on it.
Also check basskilleronline for some info.
#1 rule be as sterile as possible. Sterilize everything. I even wear sterile rubber gloves.
If you have any specific question post here and if I don't see it PM me and I will give you my feedback. I no longer homebrew (I have a legit HRT script) but I have done everything.