If they don`t agree to let you out, you may need to look at the contract and point out any obligations they don`t fulfill. You could go to the broker to settle disputes. However, you may have to take legal action if you fail to get them to agree to withdraw from the contract. It is customary to be presented with an agent`s agreement. Sometimes you push the big brokers to sign an agency contract and then send the available agent in your own way. It can protect both parties from formalizing the agreement between the two of you before the agent represents your interests. Most buyer agency contracts offer a period of protection from the agency or agent you work with. The commission is due when a transaction is concluded within the time limit.