The nearest Walmart in Lebanon Mo has all kinds of trucks motorhomes horse trailers never seen them chased away. I like the church parking lot idea!! I would try the Catholic churches as they have a rectory and the priest lives on property, knock on the door (if it isn't too late) most times they will say yes. another good place to park is in a hospital parking lot and some have RV spaces like the one in Springfield. park somewhere else where there are spaces far from the building. As people use those RV spaces when they get Radiation treatments. There are plenty of places to park overnight. I never had an issue when driving buses home.