Sketching would like a word with you though. Raw edges show up in tons of sketch style line art on purpose, and it works great when the artist actually wants that loose, unfinished look. The problem isn't raw edges plus line art, it's raw edges plus clean line art, because then the edges look sloppy next to all those perfect strokes. Match the level of polish and the two get along just fine. Messy lines with messy edges can look way better than either one on its own. Plenty of comic artists build their whole style around that combo.

Running it parallel can work fine if you glue and screw the daylights out of it.

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.