I then had to point out there was no way to silence a false alarm or change the batteries without risking breaking my neck.Around late March my art exhibit (the non-real estate project) wrapped up and I could focus my attention back to the house.

I would compare our ROI with any pure cash flow market and I would not expect it to even be close. 

This question is purely for curiosity purpose, and I would like to have someone who works for foundation repair answer this question. 

Pure cash flow - Westwood, Delhi, Avondale, College Hill, Price Hill and other C class areas.

You can follow the same steps that appraisers use, by researching what similar homes are selling for in the neighborhood, which will give you a good idea.My valuation of a property is purely based on the income it can/will generate.

The metric is different for you buying as an owner/part-occupier, vs someone buying the whole thing purely as an investment.

They are battery operated and work with your wifi system.

Robert Scaife Pure anecdote here but I find Zestimates to run a little high.

A lot of companies will send you pre-sorted first class, but if your pure motive is saving money, don't use that route. 

Lots of good markets for purely cash flow, the bigger question is what team are you going to work with - turnkey or not.