Unreasonable workload.
Sink or swim environment where sinking is inevitable.
No benefits ("stipend" is a joke).
Upper management rules by fear and refuses to support or listen to staff.
Employees are viewed as workhorses that are only there to support owner's lifestyle.
Clients are promised anything and everything when signing on and a majority are very demanding. When you lose a client, which is also inevitable, you are made to feel like a failure.
The only reward for good work is more work.