wrench work
One thing to keep in mind... If you have a garage do the lift, they are held liable if the lift or install fails for any reason. If you do the lift, you assume responsibility.
The work itself is not that difficult. Read the instructions carefully, work slowly and deliberately, and double check once you are done everything you touched. Any tools that you don't have can either be purchased or rented, but make sure you have all of the tools before you start and that they are in good condition. Also, as a precaution, do not do the work alone... Being trapped under a car is not the best way to spend your weekend (had a friend do this). Even if your buddy isn't helping you, at least they should be checking on you periodically.