The crossword solution for the term 'WHAT MIGHT COME WITH A FLAT FEE' is LEASE. A LEASE is a legal agreement between two parties, usually a landlord and tenant, that outlines the terms of renting a property. A flat fee is a one-time payment for a service or product, and when it comes to leasing a property, it may include a flat fee for the security deposit, application fee, or other costs associated with the LEASE.