Very good how-to do it yourself.

Only one suggestion, latex gloves do not protect against petrochemical vapor intrusion. Only nitril gloves have proven to be a barrier against petrochemicals into the skin, vapors also intrude through the lungs. Many auto mechanics have succumb to cancer such as multiple myoloma, after years of exposure to gasoline with MTBE, benzene, motor oils, brake and transmission fluids and cleaning solvents.

While doing ball joints probably isn't a high priority for caution, it's a good habit to get into being aware and protecting yourself. Also, many people have become sensitized to epoxies, as many wore latex gloves thinking they were protected, but were not. Nitril gloves are the only known gloves made from a material that effectively acts as a barrier.

Nitril gloves are available now at most auto parts stores. I bought a box of them from AutoZone recently.