Minneapolis drug rehab is still affordable. In the world of health care, affordability is a rare jewel. The Retreat's spiritually grounded approach to helping alcoholics recover has proven not only to be cost effective, but very successful as well. Many Minnesota treatment centers can cost tens of thousands of dollars. At just $4,175 for 30-days, The Retreat has developed an effective model to help alcoholics and addicts that won't break the family bank.