I'm planning on just building one. I find building wheels pretty easy, the very first one I built is still on my bike and 100% true with no touching up after 4500 miles. I just bought a spoke wrench and built a truing stand out of 2x4s and shelf brackets. AEBike has a basic disc hub and Alex rim for < $50, and building a wheel is just an evening in front of the TV.
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Work: the 8 hours that separates bike rides.