Both have real estate investment opportunities that won't break the bank, have all four seasons of the year, each has a city or two within an hour, it isn't densely packed like DC or Boston (remember traffic if you have a car) and both have an incredible amount of beauty. 

It could be loud dogs in the area, average/below average schools nearby, traffic noise, airplanes, etc.

If it's too close to the ground the traffic may be bothersome or it could be really convenient.9.

If you have a working short-term rental in a high traffic tourist area, you also likely have a valid vacation rental (which as @Anthony Gayden said, have been around forever) and a likely long-term rental.

Travertine and concrete both have to be sealed and probably waxed (waxed at least in high traffic areas). 

ONLY negative these days about Napa and north bay is traffic other than that one of the best places in the world that I have ever been to or had the privilege to live.. my 10 years at Silverado was off the charts wonderful. 

We went back to Denver to visit friends this summer after moving from there in '02.We didn't even recognize our own route to get to our old neighborhood.  2 lane roads are now 4, traffic tons worse, new multi colored apt buildings all up and down the rail line. 

When I talk to my friends who invest locally, I sometimes jokingly say "Do you realize that, with the normalization of remote working, there's no reason for people to stay in Montreal and live a life of stress and bad weather and have a high cost of living when you can move to Mexico, buy properties for much cheaper, have beautiful weather pretty much all year round, less stress, no traffic jam....

All cross-country traffic is routed south of Lake Michigan, right through the heart of this area.

I call this one :The  FT&C Strategy (Forced Traffic & Conversion)Save about 2KGet a websiteStart working on SEOmake it credibletake that 2K and drive traffic to your site (while you continue your efforts on SEO)You make a deal right away.Take that money you made and put 2 K back in your pocket.