I use my vehicle for work in remote areas and its a truck so i can dedicate some space. Couple tarps 8x10, complete socket set, pliers, screwdrivers' first aid kit, tire plug kit, air pump, jack and one jack stand, 30' tow strap, spare fuses, water, bit of food, contractors bags, gorilla tape, jb weld, 5l of oil, cell phone booster, soap, water purifier tablets, lighters, extension cord, 50l gas, and a can of bear spray. All i can think of right now.