They don't get involved at all with booking or essentially anything with the guests other than emergency repairs or some other issue I can't handle with them.

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

But it's a great tool for practicing analyzing deals :)

What data do you gather and what tools do you use to optimize this process?

If the separating wall is a load bearing fire wall, it would have 2 sets of framing material on either side, essentially you have 2 completly independent houses joined by the roof, you can go in the attic and see if you see sheetrock going to the ridge of the roof. 

As an investor, your credit is  absolutely the most important tool you have. 

There's also all the expenses w/ housecleaner and essentials for the house. 

It seems that pushing them to do their jobs is always essential; - There is a lack of horizontal connections between employees.

Seller financing can be a fantastic tool, especially for multifamily deals, and I’ve had a lot of success using this strategy.

Some of our favorite tech tools include: Data Analytics and Interior Design, please DM me if you have any questions with more categories :)