I go for peace of mind and not getting my items wreaked, since I have buddies there that are awesome and don't give a crap about corporate culture. My local Best Buys aren't that great in store, anyways.
What state are you from? I'm in CA. I did get charged taxes though.
Weird.
EDIT: Maybe being a Power Up member makes a difference?
You guys have better GS than me. The one good one near me where no one asked for preorders and didn't bother me closed down like a year later. The employees and manager were nice.