Hi Kathy, I work for a finish carpentry buisness in Toronto Ontario Canada, I also have studied Archtitecture for the last three years. What I believe you are asking is how hard is it to install "Pocket Doors". If this is the case you probilly have room that you would like to have a door or unit (2 doors) but don't have the room for the doors to swing out on hinges. If this is the case than the answer is yes! First you have to determin if the wall where you wish to install the pocket door is load bearing or not, this is very important as you will have to take it down in order to allow the porper space for the pocket. Also you need to go to your local Home Depot (Home Store) and purchase whats called a pocket door kit, you may need to know how thick the wall is (2x4/2x6 construction), second deside what type of door(s) you would like, they can be just about anything form pine french to standard hollow core doors. The kit should come with instructions on how to install it and the track (overhead) to your door(s). Please note that the pocket door hardware actually makes up the wall and that you will have to refinish this (drywall/pannelling etc.) It sounds like a lot of work but if you are handy, then the job is by no means imposible. Your best bet is to talk to someone at a store who can give you pictures of what you want to do, you could install the door(s) yourself and just hire someone to do the drywall this would save you a lot of money. I hope I was some help, Yours truely Chris Howieson.