Getty Images; Tyler Le/BI Making it in real estate requires a certain degree of blind optimism: a belief that, despite the market's ups and downs, the buyers will come knocking, the home inspection will come up clean, and both parties will shake off the jitters and sign on the dotted line. Never does that faith flow more freely than in the weeks leading up to the busy spring selling season in March and April, when better weather tends to coax buyers and sellers out of hibernation and into a ...