You guys think the automotive markup is bad, try the HVAC industry.
The manufacturer sells it to the distributor who marks it up (won't say how much because I'm a distributor) who then sells it to the contractor who often has a markup of 1.7 to 2 times what they purchased it for.
I can vouch for that, just had the blower replaced on inside unit. Motor is about the size of a gallon can, took him 20 minutes to replace and put all back together, $1309, had to have it because it was cold (22) outside. But I’ve probably done $100,000s worth of cabinets in his houses and garages, his mothers house and his wife’s mother’s house. We’re Mopar buddies too but he’s RICH!