Some people like doing their own house work chores or fix their own stuff. They like to somehow create their own style and also enjoy what they have built. It may be just little things like fixing the lights or changing the faucet or bigger things like repairing a garage door or building a small playroom for the kids. I guess the things that are needed even industrial products can be bought and anyone can built whatever he wants. Some even add some accessories to their cars or even wire their own radios. It’s amazing what some people can do and how they can devote their time on it. They are used to doing things themselves that it has become their lifestyle and a way to pass the time when they have lots of it. They already have lots of ideas on things because of experience. Actually, anyone can start building and enjoy this kind of lifestyle. Even if you feel that you don’t have the skill, practicing would help you acquire and develop them. It will develop if you are enjoying what you are doing and are willing to learn new things. I guess the people who like manual labor would enjoy doing their own building.