Harry Wants to Buy a New Home but Only After

Harry wants to buy a new home but only after he has sold his existing home. He has looked at other properties and likes one that is close to his work and gym. While the asking price seems to be fair, Harry thinks he could negotiate the price down a little. The real estate market is currently picking up steam. In order for the potential seller to accept Harry's conditional offer contingent upon the sale of his own home, Harry

A) may have to offer a slightly higher price.
B) should offer a lower price and try to negotiate the best price in order to buy some time to sell his house.
C) should wait to make an offer on a new home until his old house has been sold.
D) should sell his house at a fire sale price to be able to buy the new house quickly.