That or else they’re allowing lots of man hours for chasing breaks if you’re in a cold climate.

Personally I have to say I agree 100% that we are not looking at climate change having any effect on investing in RE.

By chance have you got any experience on using mini splits in units since your in my climate?

In fact, since you are in a mild climate a d the properties are small, you might be an ideal candidate for mini split HVAC systems.  

In order of priority for insulating/sealing up a house, the doors and windows are first, roof insulation 2nd, walls 3rd and underfloor (in cold climates) is 4th.

San Diego population is not increasing like some fast growing areas, but San Diego cannot as it does not have housing that would allow it to have significant population growth (plus the costs keep some people away, but apparently not enough).Do you know San Diego's climate? 

As investors, it is our job to take advantage of the current climate.

We still have other factors driving our housing prices, namely retirees, the weather, good business climate, etc.

Expect at least a days labor for two people to build a deck and porch.Skirting Mobile homes need good skirting for looks, climate control, and protection from animal damage. 

Especially if the landlord pays the gas bill and the property is in a colder climate.2.