WHAT IS THE EASIEST WAY TO SETUP A NETWORK WITH WINDOWS 98, OR DO I NEED NT?

I WOULD ALSO WANT A FIREWALL

DO I NEED 1 SERVER AND 1 COMPUTER?

I CAN GET THE NETWORK KIT FOR 95.00, BUT WHAT IS THE PROCESS?

I NEVER DID IT BEFORE AND AM THE WEBMASTER OF A CLIENT WHO WANTS TO PUT IT INTO HER HOUSE

DO I GET THE RJ45 JACK OR SHOULD I HAVE AN ELECTRICIAN PUT IN THE CAT 5 JACK?