.....ask lots of crazy questions, do a little routine with them, you know?

Hahahaha. You have no idea how many times I've done this. I don't like being bothered when I'm shopping in a store, especially when I already have all the information I need before I even step foot into said store. I will politely decline help....but more often than not, they persist because they are working on a commission and will keep coming back every few minutes. That's when I got into "gonna f*ck wit chu now mode" and start throwing out numbers and specs up the wazoo. No one has ever survived this little bit I do because I then end up schooling them in the art of whatever product it is I'm talking about. They get flustered and have no way of responding back in a knowledgeable way. That's when they "excuse" themselves and go elsewhere.