One central boiler with multiple zones is very common. 

For example, we have seen multiple instances of C-Corps set up that made no sense when one looks at the clients' financials, returns, businesses & goals. 

In the meantime, your strategy may work but understand that decent investment properties are typically in a multiple offer situation going to the highest and best bidder.

And some agents are members of multiple Boards or licensed in multiple states.But the short answer to you question is no.

You'll need to foster multiple relationships to have a plan B and C contractor handy anyway.Relying on someone else's pictures is not a good idea, even if you're the pro in doing repair estimates.

There are multiple ways for him to get water, he has a 2.5acre lot bordering 2 other city owned streets (my lot is only .24).

At the moment i have multiple options, combined i only have about 4k in capital between my wife and I to use. 

Before engaging with Airbnb rentals get legal advice and do your research.

Additionally, when you create your listing on cozy, it is actually posted to multiple websites making your life easier. - https://www.zillow.com/rental-manager/   - I'm sure you've heard of Zillow.

Multiple offers on most properties.