“We have no debt and pay all credit-card balances in full each month. We are also aggressive savers.” (Photo subjects are models.) - Getty Images/iStockphoto Dear Quentin, Our youngest daughter, 24, is in graduate school preparing to take the Medical College Admission Test. She hopes to start medical school in two years. She was a nationally ranked Division I swimmer as well as an excellent student, and much of her undergraduate education was covered by her athletic scholarship. We are funding her gradua ...