What is the best car to buy cheap to run and insurance etc.?

"Our in-laws are 65 years old and only shifted to the people (legally!). Because they're not People in America however"I discovered it had been hit through the back seat door in the bumper up across the side half way and came to my left automobile today. It's dented and scraped very poorly. My charges affect being that I had beennot there if I state this with my insurance can