Here's one way to keep the vibration of your disposal down!
Unless your grinding down tree branches, installing springs and tension on your garbage disposal are overkill. The duct tape was a nice feature as well, lol
Sometimes you scratch your head at the thought process:
This 2x4 is supposed to hold back the pressure of the Earth? If this wall was to collapse inward, not only will it break this 2x4, it will most likely break the floor joist it's attached to with very little movement.