Is there excess land around the site you could buy with it to expand parking? 

If the rents are $500 vs $3000 per month and you collect a percentage you will be low on the $500 per month and in excess on the 3k per month.

They would require me to demolish, file plans, get it approved, and build it again from scratch as a business office, and 20 years ago would cost me in excess of $35K.

If you bid over the price of the lien what happens to the excess bid when the homeowners pays the tax lien?

If they do, I suspect they can cover the excess water (even three hours won't be a huge increase, maybe $20 - $40?)

This will help avoid points and excessive hard costs.Message me if you have any questions!

My gut is, there isn't an appetite for that type of hyper local data and instead a reliance on broader macro/msa level data or the GP's experience and expertise.Thanks again!

They all have different appetites and offer a variety of rates and terms.

A regular tenant wouldn't be okay with all the excess stuff so this is why I did this arrangement instead of letting the house sit empty earning $0 rent. 

If you had the carpets professionally cleaned before they moved in, they should be professionally cleaned when they move out.a few small nail holes is ordinary and shouldn't be charged. 30 nail holes in one wall is excessive.