Stop Using Current Farrier
From a farrier's perspective - what would you expect/want from a client who was opting to stop using you as their farrier as far as notice, explanation, opportunity to address concerns/keep their business?
From a farriers perspective the first thing I would appreciate is notice if horses are pre-booked. The amount would depend on the amount of horses but generally a week would be adequate. More if you can.
Be honest if you are changing farriers. The current farrier will know quickly who you are going to be using and probably why so it is best coming from you in the first place. (It is a small world)
At the end of the day it is your horse, your money and ultimately your decision. The farrier should respect that.
Richard Australian Farrier