2 votes for multiple generators and a deepcycle batt/inverter/ups or two.
With the led bulbs, I can run all the house lights and the laptop, cell, ipad, etc. on a trickle.
One smaller genny runs the fridge, furnace or window ac, and pc monitor.
Made a open ended box and point the exhaust towards the field and woods, cuts the noise considerably.
I fire up the 6500 strictly for the stove/oven, water pump, water heater, run the freezer for a few hours, or to run the dryer. Then turn it off.
Haven't done the transfer switches yet. I want to redo the electrics this summer.
Mild nights, just used the batteries for quiet.
We ran like this for over a week twice, and over 2 weeks once.
Kathy said, getting gas is a small pain for this much convenience.
Run the gennies for an hour under load once every 8 weeks.
Then turn off the gas and let the carb run empty.
I change the oil every 25 hours or annually, whichever comes first and add Camguard.
Buy E0 straight 94 octane premium gas from Hasslers in Womelsdorf and treat it with Stabil and Seafoam.
Change out that gas every 6 month, run the old gas in the truck.
Oh and if the weather guys convincingly call for severe weather, I check start them again to be sure.
Maybe overkill... But much easier than cursing in your underwear in a 3am rainstorm.