In our IP address targeting we've found about a 2x increase in effectiveness, interaction, and click through rates when ads have movement in them. 

Do you just keep adding capex and vacancy expenses to my reserves in perpetuity, or stop if you get to 12+ months of PITI of $10k over 6 months PITI? 

I am perpetually frustrated with the appraisal process.  

The cash flows then pay off the accrued 7% preferred return.Third in perpetuity the cash flows are split 60/40 between the investors and my company."

But, if the assumption is that you buy and hold the property perpetually, even if the foundation is new, perhaps about 100 years from now, you will have to replace it.  

In MN they go down four feet for frost footings in slab-on-grade, that is a lot of support to buffer movement caused by water at the foundation.

This does protect you from hurricane and will be able to withstand some deflection on earth movement, but still the fact remains that if something goes wrong on the property, you still need to fix it, and the constant movement of soil -- and even especially on sinkholes doesn't help with the cost and maintenance.

I was asking more along the lines of someone who is perpetually a silent partner and has no desire to learn the ropes and do it themselves.

I heard Baltimore Perpetual Ins is also a good company to go with.

In Texas, as far as I know, even tho an llc can state in the SOS docs a perpetual existence, each year we have to have a registered agent to be active.