They're all over in Fleabay for various prices well under what you are saying.
I am not even talking chinese knockoffs.
Yeah you might have to be patient and buy one at a time to get a good deal, but it would be worth it in my opinion.
I am not saying that clip on mirrors don't work, but I don't like to take stuff on and off. Simple as that. Pay for what you want or don't.
1999 Ford Superduty F250 PSD CC SB 6spd 4x4.
B&W goosneck/companion hitch, Airlift 5000 airbags.
2006 Sierra F28 Rear Kitchen 5th Wheel, 31' = 10k pounds.
Nights camped in 09-14, 2010-23