I have a commercial property that consists of a salon, barber shop, and child daycare that never is above $300/month and you can imagine how much water they all use.If you cannot source the cause, maybe invest in a split meter between units (if possible) to isolate it. 

The monitoring sounds is usually a means to isolate where the problem is but it seems that is not your purpose.   

Or do you believe that only a small isolated area would be forced to live like it were the year 1,500? 

That's it really; I just had no life, isolated myself, saved every penny I could, and spent my time reading and listening to everything I could about Investing.

Here in SF the downtown areas look isolated with more homeless encampments than before.

Or is it better to rent until one can buy a house he or she likes to live for the rest of one's life if one likes access to a garden or backyard as well as much needed privacy and noise isolation.

I've been guarding my dreams and plans from scarcity mindedness so firmly that I forgot I was isolated; quarantined even.

Say you have a conversation with them and build the very best of rapport, then you mail them a letter or an email with your offer, you give them the chance to separate and isolate the two.

There are a lot of moving parts to do it right so isolating those parts and creating processes goes a long way. 

It proceeded to segregate them - isolate them so they couldn't do my computer any harm.