I posted these before. Prices now lower. See at Craigslist

Bontrager Race wheel set with Bontrager R3 tires, 700 x 23, $150

https://albuquerque.craigslist.org/bop/d/bontrager-wheels-and-tires-new/6337663251.html

Shimano Dura Ace CS-9000 cassette, 11 x 28, new, $50

https://albuquerque.craigslist.org/bop/d/dura-ace-cs-9000-cassette-11/6337668371.html