I tend to look at the grinder and also the choice of the beans (roast level, consistency, chips). As another commenter pointed out you do occasionally get place

I tend to look at the grinder and also the choice of the beans (roast level, consistency, chips). As another commenter pointed out you do occasionally get places that will buy a super fancy machine but have no idea what to do with it. It's rarer to spend loads on a fancy grinder if you don't know what you're doing.