The Hub's red-hot housing market left you confused and irritable? So many questions piling up in your brain that you think you'll just scream and then calmly sign another lease? Well, clear the confusion and get some answers with our Ask a Sales Broker... feature! Nick Warren of Warren Residential Group will be doing his utmost throughout this week to answer your questions about buying and selling in Greater Boston (like he did on Wednesday, when someone asked what a prospective client should be asking brokers). Go ahead and email us your questions or leave them via the Comments button to the upper right. Anonymity guaranteed. And more expert advice to follow on different Hub real estate topics as Curbed U.'s spring semester rolls on!