How about including some basic home maintenance skills. Things like rewiring a plug or repairing a tap/toilet. That kind of thing?
I only think that is really practical and doable if one has land to erect a fence / gate - In which case one has probably mastered some sort of fence/gate shenanigans.Or what about erecting a fence with a gate to keep livestock in or building a chicken coop to keep poultry in/foxes out?