I especially like the flexibility of this type of loan product and the low interest rates. 

Specific to your problem:  stop using a buyers agent and call up the listing agent, easiest to find on realtor.com but zillow does show "presented by" on some ads.Learn how to calc MAO (max allowable offer), call the listing agent, small talk, ask if the seller is flexible, why selling etc etc. 

The tenants and landlord have been very understanding and flexible, and I'm able to use our shared spaces to do a lot of the processing I need to do, as well as use part of the basement for storage.

It is safer, and allows for much more flexibility in terms.

If you like a lot of flexibility and be able to create your own reports, tenantcloud may be not a good option.

Shoot for 50 years or longer for more flexibility now and in the future.

As far as LVF selection goes, from my research a thinner (3.2 - 4 mm) LVF plank that will hopefully be more flexible to handle the not perfectly level hardwood floor underneath. 

(not so important but if they only require 15% down on a single family home that is usually a good sign that you are working with a flexible lender) Can I change title to my LLC?

Sure, depending on your local laws and your lease, you might be legally able to show it while he is gone (in Ohio we need to provide 24 hour notice), but personally, I would rather be flexible than deal with an angry tenant before move-out.

Vinyl is extremely flexible when heated up.