This is a little old but will definitely help you make a decision: https://www.reddit.com/r/linux/comments/30ol4d/what_is_the_cheapest_laptop_to_run_linux_on/
Thanks Seankay. What I get from that is that I probably should buy a used Thinkpad. I don't want anything with the name Google on it. Plus, you can't delete Chrome from a Chromebook. So I'll look into that. There are some great suggestions in that thread on how to do that.