Certain car tools can be expensive, and it would be best if you look after them well so that you don't need to replace them constantly.  The best way to look after any set of tools is to review the user guide for each tool and store it as recommended. Most user guides will recommend that a tool be stored within a case, so they don't get wet and begin to rust. It's also a good idea to clean your tools after every usage so that they remain effective for as long as possible.  You'll also want to ensure that you're using the tool correctly and for its required purpose. Misusing a tool is an easy way to break it and make it ineffective after a short time. If you're using a car jack or other tool with a specific weight limit, make sure not to exceed this, as this can damage the tool and turn it into a safety hazard.