How to change your vehicle's tire SAFELY.
Basic home maintenance or at the very least troubleshooting and diagnostics when something breaks so you can give the repair tech better info when they arrive.
Basic home cleaning. This one might sound obvious but the number of people I've worked with who've never held a mop before astounds me. Learn to do your own laundry and clean your bathroom and kitchen well and efficiently. Learn what it takes to do a quick clean and a deep clean and do them on a schedule.