Question about lowering springs....help

This is my first "tuner" car and I'm not a huge grease monkey so I don't have a huge understanding about everything. I'm planning on getting eibach pro kit lowering springs. So my question is....what I'm I going to have to do to ensure that my car drives good as well as keep my shocks and struts and all that intact and able to drive on lowering springs for a long period I time. Cause after reading threads about lowering springs, it seems like it's not as easy as installing them and that's it ha