a couple more questions for those with knowledge

I ended up buying a 30amp extension cord (50ft) and a dogbone to connect it at the household 15/20amp outlet. Worked much better than the 15/20amp extension cord as it allowed me to use a vacuum, fan, portable heater, etc., while I was prepping for a trip or cleaning up afterwards. The 15/20amp cord would get hot to the touch if I ran any two items. The 30 amp does not get hot at all.

I have since installed a 30amp pedestal and given my 30 amp extension cord to a friend who just bought a motorhome.