Oh ayyye, aye. Wool's got plenty o' uses.

[He'll mentally count off on his fingers, as his actual hands are a bit busy.]

You can spin it into yarn t'make clothing, it's good for blankets and insulation, and you can even use it for stuffing chairs and the like.

I admit I'm a fair bit more experienced with cattle, but I've had some time with sheep under my belt in the past.

[You've got to know at least some to be sure that the owners of your smaller ventures aren't cheating you, and that goes for Scrooge's sheep farms just as it does anything else he has.]