You've worked 365 days to grow the fiber, make the most out of the day you take it off. This is your annual harvest. Learning to shear in a manner that supports fiber sorting which is the first step in the processing chain.
Learning how to shear your own alpacas gives you the control over your income potential. Shear for your neighbors, provides you with additional income. Be able to shear your crias to ensure utilization of that vital first year fleece.