It's very easy to spend money especially when repairing computers. As far as their use in the future, the computer will always be the same simple electrical device that will continuously have issues. Many of these issues could be solved using simple web searches, but sometimes that does not help. Using this DIY computer repair manual you have access to illustrations and solutions for the everyday user. Stop wasting money and get this guide! I own it and I have learned all the things that the technician will NOT tell you.