Do It Yourself
Many people in America especially men, tend to be project oriented, even more so when you consider their homes and land. Most people have an improvement or two they want to do with their property. Whether for pure enjoyment or to improve the estates worth many people start a home project everyday. Its a god way for a family to come together in an activity, and the new improvement will then bear stories that are sharable with family and friends and new generations.
As many people that start these home improvements only a few have the genuine knowledge and expertise to actually accomplish what they set out to do, and many will bite off more than they can chew. Theres a bad side to that, because abandoning a project is bad for the spirit, and calling in a contractor to clean up your mes is often more expensive than hiring one from the start.
There is also the injury factor. People unskilled in tools will have a higher chance of getting injured in their use. The professionals that use those tools everyday will know why they are dangerous and be effective in their use and safety requirements.
There is also the time factor. Some big projects like, build wood cabinets would be an extensive project, but there are resources that allow you to learn from the pros and avoid critical and costly mistakes. After all, knowledge is power.