I have actually, but I understand that it's rare. Please note that I do encourage doing "research" - it doesn't have to go all the way to an offer, but what I

I have actually, but I understand that it's rare. Please note that I do encourage doing "research" - it doesn't have to go all the way to an offer, but what I mean is to build confidence that you can indeed get one at the given salary. This is your BATNA, but because you're not giving an ultimatum, you don't have to walk away to a new job immediately - you can just start looking.