If you haven't acquired previously, caution not to attack on multiple fronts right away...one at a time, learn from it and improve as you go...we are 1000% better equipped to acquire from the prior experiences...they do take time after acquisition for dust to settle and for you to see the effect as well as what strains it puts on your existing processes and infrastructure. 

I provide fully licensed aerial imaging for real estate, infrastructure, government, and marketing purposes via my business Tailwind Productions. 

we did not pay anything.. keep in mind West coast and East coast title companies are so completely different.. we have a customer service department that is all digitized.. info is at their computer monitor and in their data base.. 

They have smoking/MJ detectors available, but I’m not convinced they are better than just good screening and monitoring.

We replaced the refrigerator because it’s temperature was varying more than it should; she monitored its temperature.  

Here it’s $25.00 to $35.00 per month for monitoring.

-set up a good system with some controls in place to ensure your invoices approved/checks cut and paid is being monitored.

They will need to look at the entire value of the buildings and infrastructure, attribute part of the value to the existing septic system and deduct that portion as an expense, minus what might have already been depreciated.   

So for smaller guys, you really don't need to be exact to make really good profit, and for bigger companies they have a ton of experience and analysis infrastructure they don't want to trade the liability for the charity.

The USGS has monitoring points for those concerned about river and stream levels, and the National Weather Service also provides graphs using data from the USGS.