We started getting bids and guarantees from city government, Burlington Northern Railroad,  Utilities, Carpet Layers, House Movers, Insurers,  Landscapers, etc. 

Fortunately, she has indicated that at her age, she will not need to purchase another home.I assume, I'll need to have her quit-claim the deed, put me as a beneficiary on the insurance, and give my attorney any information and authority necessary to deal with the bank in the future, should there be any problems.Has anyone done this before?

If you are just doing residential property rentals you really don't need more than a decent insurance policy.

It's been a great learning experience with several healthy headaches, but I'm definitely ready to make a move into a larger home with central AC as Texas temps break the 100's way too often.On the profession side, I spent the past 7 and a half years in insurance, and in mid-2017, I began saving up for the jump to real estate so I could immerse myself in the industry (and hopefully pick up a few good deals along the way).

More often than not , They will sue the insurance before they sue your llc .

Get insurance and an attorney  or other professional that can help you develop an asset protection plan. 

I’m not allowed to profit from any repairs, but I have a ton of experience in estimating for repairs using xactimate software, which has standard pricing for anyone providing work for insurance companies.

The previous owner could've made an insurance claim for some major problem with the property and you'd never even know about it until it's too late.Don't mean to scare you, but buyer beware.

I just want to confirm when using the 50% rule, we only use it to compare to the mortgage amount and not taxes, insurance, etc.?

You have property taxes of 2000  and insurance of 276/yr (which seems low).