They hire someone to carry them? They fund an insurance pool that allows them to dial a handy caretaker within distance when they need it? Maybe it's enough to

They hire someone to carry them? They fund an insurance pool that allows them to dial a handy caretaker within distance when they need it? Maybe it's enough to fund stair-capable wheel chair robots. Who knows. Maybe they just call ahead, check, and then ask a friend or family member to go with them.