If you are satisfied with your agent, just sign another Real Estate Agency Disclosure. Your agent should be aware of the expiration or maybe he/she is too busy to keep track of the paper work.
Yes, Banks (sellers) only care about money - the best and highest offer. As-Is sale, no repairs, usually no credit. If you are lucky, might come across with a seller who is willing to credit 2% - 3% non-recurring closing costs.