Late fees for Advantis loans are calculated differently, depending on the loan type:
 
Loan Type: Late Fee:
Credit Card If the payment is not received within (10) day of the due date the Late Fees will be $25.00 for the first late payment and $35.00 for any late payment during the following six (6) billing cycles. 
Personal Loans 5% of past due balance, minimum of $20, maximum of $50
Auto Loan 5% of past due balance, minimum of $20
HELOC (Home Equity Line of Credit) 5% of past due balance, minimum of $5 (after 15 days)
Mortgage Loan 5% of past due principal and interest payment