All properties evaluated by cap rates suffer due to under market rents.

Don't make everyone suffer.

If that's not the case and the GC still requires 1/3 payment up front,  it means they have other projects that are suffering or lack quality subcontract relationships and can't place them on net 30's and when contractors are moving money around to cover for other projects,  that's a slippery slope. 

The good thing is those assets typically have recourse loans, fixed debt, value add components and don't suffer from oversupply. 

I have found that the housing prices are way lower and usually come with a nice chunk of land  but the rents do not suffer as much. 

Pick and choose wisely but don't suffer from analysis paralysis. 

Unfortunately, when I was 54 I suffered from 2 serious medical problems and I've bedridden ever sense but I have spent much of that time learning how to become a real estate investor while not working. 

Medical Payments: Provides coverage for an injury suffered on the premises.

I have suffered both.

If something really bad happens to your property while you have AirCare, you are likely going to financially suffer.