Term limits would not stop “investors” from buying legislators, but it would raise the cost and (so to speak) require holding a new auction every four years or so.
I always assume someone owns our town council and county commissioners candidates. The trick is figuring out who, so I can decide whether they’re likely to vote as I’d prefer.
Good thinking. I do very much the same with my local pols. I also get to know them on a personal basis. It’s easy to do too. They have public forums all the time.