It's a frightening process, getting started pumping your own air. It will involve a lot more time, energy and cost than you imagined. Once you're up and running, you'll look back and realize that it really wasn't so bad afterall.
For most people, the convenience and satisfaction of pumping and blending your own gas makes it all worthwhile.
There is a great thread on Decostop about building your own scuba compressor system. It's a "Sticky" at the top of the compressor section.
Decostop is also a great place to read about all other aspects of your home compressor system, just do a search. Scubaboard is also good, but I find the information on Decostop to be much better.
-make sure the power and phase of the compressor matches what you have at home
-you may need to have an electrician change out a circuit breaker and/or change the outlet/cord
-make sure parts are available for your compressor
-do you have a good place for your compressor inlet where you can get clean air?
-consider getting a carbon monoxide an analyzer to check you gas
-it's a good idea to get your air tested at least annualy, by a lab such as
Analytic Chemists
-does your compressor come with a filter? If not, what are you going to do?
Any specific questions, please send me a PM.