And neither of our STRs are low rent houses either, quite the contrary.....OP, I wouldn't stress or over analyze this aspect...of course, plan and keep track (I used an Excel spreadsheet to budget this), but don't even start to obsess about this aspect of the business....it's a nothingburger....

I suspect values will follow rent  values. as investors will want to make COC returns with 20 to 30% down so the values will track what an investor requires for the risk of owning rentals.

I don't "pay " for water as I have a well but I have just made a well repair and started tracking water use through a meter we had installed. 

I think 60% LTV for Canad, UK, Australia (since there is some semblance for credit tracking in these countries).

One consideration with regard to offers contingent on bank financing is that banks want a fast transaction, a guaranteed fast transaction.Getting a pre-approval letter from your bank is a great way to fast track a real estate transaction.

What it is great at is tracking the profitability, expenses, income, depreciation and building really useful property performance reports off of this information.  

You are on the right track starting to drive for dollars and thinking about reaching out to owners.I'd suggest just doing what you're thinking about, you don't know what situation the property is in or the owner is in until you ask. 

The key to any of this are the partnerships...with your other GPs, brokers, property management, CPAs, and attorneys...this is very much a team sport, and the best way to play is for all sides to win.

@Erik Hayhurst I track multiple properties in Excel and have tenants pay rent by going to my bank and depositing in my bank account, setting up auto draft to me, Zelle or Paypal.

I have been tracking 43224 as well, specifically for a live-in flip.