Ultimately, Lawton could be appealing to cash-flow-focused investors comfortable with high-risk, high-reward environments and looking to leverage a reliable rental base tied to Fort Sill.

For example, the top 5 rated realtors on one website cannot be found on the other website, which really makes me doubt the reliability. 

These tenants tend to be reliable and respectful of the space—often more so than the varied guest pool with short-term rentals. 

Are there any reliable software that you guys use for this? 

Having a reliable lender with experience can help guide you to the best options for your qualifications, however at a minimum if trying to qualify for a conventional loan you'll need at least a 620 FICO mid score, other options are FHA using lower scores.

A Minut sensor might be more reliable for detecting smoke presence, keep in mind that it may not differentiate types of smoke.

I think most of what you are asking is impossible for anyone here to reliably answer without more information and you should probably consult an attorney if you think it is worth it.

How do you guys find reliable cash buyers for your deals?

Raising rent on a long-term tenant can be a tricky situation, especially if they’re reliable and you’d like to keep them.

Generally speaking, as long as your daughter has not reached the $13M lifetime gift limit, the gift won't be subject to gift tax.You would want to get a qualified appraisal for the the fair market value at the time of gift/sale, Zillow is not the most reliable :-)