Dirty Water Fitness is in East Cambridge and I love those guys. I think having a PT that comes to you will be more expensive than seeing one with an established gym space.

An easy assumption for the Saabs and Volvos might be that a good chunk of the renting population in some neighborhoods are the children of upper-middle class families, many of whom were given the used 2000-2012 era family cars by their parents. Or, by virtue of being the product of that economic class and they simply sought used vehicles similar to what they are accustomed.