I put the top of a plastic butter cup or coffee lid over the drain, open the drain for a second to create suction and then put something the same shape and heavy on top of that. Stops most leaks.
Very good thinking.
I have the .50BMG ready so if you need support just call fire control with the grid and we will fire for effect and you can walk us in!
Be careful HC and don't hesitate to call. That idiot humblegunner has my chainsaw so I can't help there.
Turn off your hot water heater, the intake water to the hot water heater, the water to the house and the outside gas. If you know which they are, you might also want to throw all the breakers other than the few that you need to keep running.