A buyer broker agreement is a contract with the buyer and the broker to work together for a specified time period to help the buyer find a property.
Posthumous [ a. - Born after the death of the father, or taken from the dead body of the mother; as, a posthumous son or daughter. - Published after the death of the author; as, posthumous works; a posthumous edition. - Being or continuing after one's death; as, a posthumous reputation. Meaning of 'posthumous' (Princeton's WordNet)
A classic and well-known use of eucatastrophe. Eucatastrophe is a term coined by English writer J. R. R. Tolkien which refers to the sudden turn of events at the end of a story which ensures that the protagonist does not meet some terrible, impending, and very plausible doom.