It's great to see you're doing your research! So many people come on here after getting their little friend, and have no idea how to take care of it.
Have you read through Axolotls: The Fascinating Mexican Axolotl and the Tiger Salamander
yet? That's where we keep most of the basic info. Beyond that, have a look at other people's setups
, and have a read through the forum. There are thousands and thousands of posts about axolotls (and generally what not to do!).