Continental Giro 22mm tubulars go for under $40 each from many sources. They have removable valve cores, so you can use sealant, which will fix a great majority of punctures with minimal hassle. Un-sewing the sew-up casing to fix the tube is a thing of the past (mostly - one of my valve cores just spins, a defect, so check that they actually come out when you receive new tires.) They make tubular gluing tape now, so you don't have to mess with glue anymore, either. Jantex is half the price of Tufo, and works as well. Hooray for tape! No muss, no fuss.
My advice is to just figure that it's n+2 for wheels, and to put on some tubular tires, and try them out!
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