There are many reasons. Alpaca fiber is beautiful and luxurious. It is incredibly soft and warm. It brings a high price whether it is sold to hand-spinners for yarn or as a unique product such as a sweater, blanket, hat or mittens. People breed alpacas because they are a good investment .
Alpacas are scarce, and they bring a high price.
And finally, they are a joy to have. They are easy to keep, fun to watch and enjoy. Alpacas are very tolerant of their living conditions. They can stand the cold in the winter, but they like to have a barn or shed to get out of the wind. They don't like heat, so they need to have shade or a fan to keep them cool in the summer.