Aluminum Camper Forum

Taking the conduction loss into account, it might still be nice if your feet hit a warm floor rather than a cold one.  There are products that are built to go uner a rug that might fill the bill.  Such as this:  https://www.floormat.com/heated/rugbuddy-systems/.  I would not expect it to heat the trailer, but it doesnt pull a big load, and seems to be resistant to water.

Years ago we invested in woven bamboo paper plate holders. They have lasted long enough the grandkids are using them now, and you can use the flimsiest paper plates you can get.

Just watch out for steak knives!