Maybe you said already but is your spare under the bed?
It is Paul. I was shocked how much stuff I can get under there. For Freeze Out I the this under the deck..
spare -jack & tools - 10x10 pop up canopy w/stakes and tie down straps - 2 folding chairs - 3' folding table - 3 cases of beer - a bin with extention cords & other misc stuff and there was still a little room left over