In the Boston area there are significant numbers of both new and traditional housing. There is also a hybrid of the two – old houses that have been gut-rehabbed. Understanding the key differences is helpful to buyers, sellers, and owners alike. Buyers can use the understanding to evaluate the trade-offs between the different types of housing. Sellers gain insight into the competition. And owners can use the information to make informed decisions about when, if, and how to invest in upgrades and renovations to their home with an eye towards the ultimate resale value.