No.
There is no evidence of this. He may have. He was married once before and that woman named Debbie Higgins McCall claimed Phil McGraw cheated repeatedly on her and admitted it, saying "that's the way...
Yes, he has.
Well it depends on how many tournaments he wins but usually around 4 million dollars and he gets about 47 million from endoresments
Phil Mickelson is 41 years old (birthdate: June 16, 1970).