There is an adage in life that you just cannot make everyone happy. For most businesses, 90% of your clients and/or customers will be fantastic. They will allow you to provide them with your expertise and services, listen to your strategic advice and work with you together when things don't go quite right.
But throughout the life of your business, you’ll come across some clients who are just… toxic. They will question everything you do for them, argue incessantly, refuse to give you the info...