Beckfeld, 56, has diabetes and high blood pressure. The only insurance he could get before MNsure cost about $750 a month. PreferredOne charges him $421 a month and covers much more, including drugs. He put the savings at about $12,000 this year.eckfeld, 56, has diabetes and high blood pressure. The only insurance he could get before MNsure cost about $750 a month. PreferredOne charges him $421 a month and covers much more, including drugs. He put the savings at about $12,000 this year.