Absolutely agree Wally and Tom, AND, this applies not just to knives but also when looking at and trying to decide about a firearm at a gun/knife show as well. I’ve made two incredibly satisfying historic rifle purchases by moving at lightening speed the second another individual laid them down. I’ve also very sadly watched as a 100+ year old S&W vanished at warp speed and cash replace it’s spot because I wanted to think about it a minute.
Great Rule.