I'd say it's safe to assume that the caresheet on this site contain sufficient information to successfully keep a pygmy... And if you still have questions after studying the caresheet there are also a few people here that keep them so you can always ask anything if the forums didn't already answer the question in the past.
Well, you're definitely doing the right thing by looking for the proper knowledge BEFORE getting one! Thise little guys are so rare and hard to come by, that every one of them is precious!