Are you sure you said to mail it? Even if you efile you can remove the Extra $40 Refund Processing Service charge (45 in California). Remove Pay with Refund fee
https://ttlc.intuit.com/community/downgrading/help/how-do-i-remove-pay-with-my-refund-fees-in-turbot...
How to review your fees
https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/0...
