Originally Posted by Brian Ratliff
To Moonshot: Installing a cassette to a wheel is a job which takes less than 5 minutes; they probably do not even charge you. That is a small job. Building a wheel can take up to 2 or 3 hours and the expertise of a wheel builder. That is a large job.
If it takes 2 or 3 hours to build a wheel, the person building it isn't an experienced wheelbuilder.