I've already found this community and the podcasts to be extremely valuable. 

A few of the sellers I've spoken with  and who previously offered the broker fee as a marketing tool are getting frustrated with this type of behavior and want to shift away from offering a co-op and instead make it a negotiable concession when genuine effort is made on the part of the buyer agent.  

You can use this tool to estimate future property taxes: https://treas-secure.state.mi.us/ptestimator/ptestimator.asp

Creating a single listing page can be a powerful tool for marketing a property, and it works especially well for unique or high-value properties where you want to present a detailed, immersive experience that standard listings can’t offer.

Have you seen the Property Llama tool by Bigger pockets member Chris Lopez? 

In general lines of credit and CC are not great tools for long term investments.

Do you have any feedback from guests that suggests it is appreciated and valuable? 

I too am active duty and have utilized my VA several times to expand my portfolio as it is a great tool to use if you’re willing to live in the property for the required 12 months.

BiggerPockets (BP) does have some tools and templates that can help keep you organized (like checklists for inspections, title, and earnest money).

This allows you to have the self defense tool you need (if/ when/ how you choose to use it) and not have it exposed for all to feel.