Curious about borrowing to buy that dream home in the Hub? Wondering what it all entails beyond the credit check? Well, clear the confusion and get some answers with our upcoming Asking a Mortgage Banker... feature, part of our ongoing Curbed University. Throughout next week, Brian Cavanaugh, senior mortgage banker at Residential Mortgage Services Inc., will be doing his utmost to answer the questions you email us or submit via the comments button to the top right. Anonymity guaranteed.