As for the LLC suggestion, I have been considering this but it seems to be a fairly common practice for newbies to get the first home under their own name then later start putting newer homes under an LLC once they're more established.

I would follow that up with a face to face sit down with them to go over the major points of your business practices and have them address any concerns long before you ever get to a deal. 

Since it is dictated by case law I don't think a book would be up to date or practical.

So I just want to confirm that it is normal practice to put in a lot of offers, sight-unseen.

I've been exploring the obvious like a new SEO website with blog/newsletters, videos giving investors an update on our projects, advertising on Social Media (FB, IG, etc), attending conferences, being interviewed on podcasts and/or starting my own podcasts....Any other suggestions?

since the interpretation of the IRS is that a refi immediately before a sale is a taking of profit, and since you can show a paper trail that demonstrates you were simply exercising your normal business practice, reinvesting the re proceeds in other properties and not taking cash/profit out at any time - you've got  a good argument if ever questioned.  

Examples might include a leak in the roof during the rainy season, no hot running water, or a gas leak.As a practical matter, the repair and deduct remedy allows a tenant to make needed repairs of serious conditions without filing a lawsuit against the landlord.

Hoping to find best practices for Llc structure and states. 

Is this pretty standard practice or something I should be concerned with?

Otherwise it's more practical to hire out.