TCF National Bank Bank Account Or Service Complaint

TCF National Bank Bank account or service department,

Savings account Account opening, closing, or management Minnesota

I opened a savings account -/-/- for $25.00. They said if I had $100.00 in the account in 3 months I would not be charged the $4.00 fee. I had $100.00 in on - -, and on - - they charged the fee. If they do this on me, how many others are being cheated each month. I would like the looked into.