Does anyone have recommendations on accounting software to best serve STR owners.

Where does one go to find a list of motivated sellers other than paid services like PropStream and other software?

Sounds like you're aiming to make some type of algorithm or software that tries to eliminate the need of competent real estate people utilizing their experience in markets they are very familiar with..........Didn't Zillow lose about $500 Million flipping houses using this exact type of model? 

It allows hosts to manage inventory across multiple properties, set alerts for low supplies, and track expenses related to supplies.Breezeway: Breezeway offers a software platform that includes cleaning and maintenance management, but also allows hosts to track inventory and automate supply reordering.These systems typically integrate with booking platforms like Airbnb and Vrbo, making it easier to manage both guest bookings and inventory in one place.

Here are some things to consider:Most investors don't need software until they have 5-10 rentals.

I use software from the hedge fund I work with a hedge fund that connects TO 4500 BANKS, LENDER, AND CREDIT UNION I can take a scenario to add it to my search engine it runs many different quotes so when I'm working with clients I put 5-10 quotes in from of them and save them lots of time and money and they go with the best program that fits the deal

Assuming the 2 acres is 100% usable, I'd like to do buildings on one acre and outdoor RV/boat storage on the other acre.I've looked online at several companies that build storage buildings, but I don't know what size to ask for quotes on.Does anyone have software recommendations that can assist in planning and designing the layout of the facility?

Any software/camera related, that can be controlled through an app where tenant can have constricted access to cameras but i as owner have full access? 

About to close on my first STR in the Knoxville, TN area...what software(s) could we utilize to best manage it remotely?

Like you mentioned some of the property management software offer their version, and there's also companies like Superhog, Waivo, and Safely.