My buddy dropped $450 on a Western Mountaineering bag and yeah its nice but he still zips it open half the time because hes sweating. The $70 Costco bag is like 3 lbs and packs kinda big but who cares when you're car camping or doing a quick overnight. Minnesota gets down to negative 20 in January though so I wouldnt push the cheap bag past October unless you sleep hot. The real trick is a decent pad with an R value around 4, that matters way more than the bag in my experience. People just buy gear to buy gear honestly.

Mine had a low spot in the middle, so I just stoned it flat and stopped blaming the coal.

Reminds me of the time I was eating a hot dog on a pier in San Francisco and a pelican came out of nowhere and took the whole thing right out of my hand. The thing swallowed it in one gulp and just stared at me like I owed him another one. I still think about that bird sometimes, he had zero fear.