Donald had to work his way up through the company, and was treated as any other employee.
So, the myth that Donald is just a rich playboy trust-fund baby is just that - a myth.
When in college he bought property under made up companies near campus. Converted the houses to apartments
One of his roommates said they lived with the rats and roaches in the worse part of the house while they fixed up the other apartments. He was well on his way to his first millions when he graduated !