Investment Info:Single-family residence fix & flip investment.

Then when you finish repairs, depending on the time frame you would have lived there as a primary residence at which point move back with parents and rent that unit for even more because you just rehabbed it. 

For context I know this may land squarely in STR territory meaning as a residence it won't comp out any differently. 

I would not recommend investing in SD as a fellow San Diego resident myself! 

Around here, for 1-2 unit residences most cities use International Residential Code. 

Medical school will last 3-4 years, followed by a residency of 3-6 years, the location of which we won't know until the end of medical school.My idea is to house hack during her medical school years by living in one unit of a multi-family home and renting out the other units.

If he stays anyway, most leases have a punitive holdover clause that would charge him bucket of money because he is injuring not on your property but also the incoming resident. 

My primary residence has about $700K in equity and my IRAs are solid, but they don’t look at those.

I own the home but I do not live there as my primary residence. 

None roll to a permanent loan that I know of today for non owner spec.