What does a BAD grooming day look like? Don’t hold back plz! And 1 good thing a new groomer won’t expect !

[twentyseventeen]

I’m a hairdresser right now and I’ve always loved animals I do my dads dog he has an Australian Shepard, I’ve been grooming him for the last 5 years and I love it!
I want to start doing it professionally! With that being said, I want to hear the bad parts of the job.
If you guys don’t mind sharing the difficulties I. This profession, just to give me an idea of what a bad day will look like! Thanks!!!