Not really, it is quite arguable that he would be wealthier without having done anything other than let someone else manage his starting hundred million or so.
What Trump has said about real estate is that he prefers to use other people's money, i.e. borrow it.
SO
If he says he has billions in net worth, his ac ulated debt has to be on that order, likely several billion dollars.
Are you comfortable with the president of the United States directly owing billions of dollars to foreign banks and creditors, like say, Russia or China?