How about they have to live off the lowest provided level of food assistance, with the lowest level of provided health insurance, and they don’t get paid until after they’ve left office and their pay is determined by a public plebiscite?

Now this would be something. But who would take a job so disruptive to their daily life. Like you have to go move out of your house, what about your family, do your kids have to switch school and lose healthcare, plus it's wasting resources on someone who doesn't really need it other than to experience it.