As far as I know and absent instructions from the seller to the contrary, I believe that the requirement to present all offers is universal in the USA.Some of the other practices you're describing are abhorrent and most likely violate state law and NAR's Code of Ethics, which apply only to NAR members - but most of those COE guidelines will be reproduced in state law.Bribing an agent with Amazon gift cards? 

My recommendation is to focus on Stick-Built, Brick & Mortar property versus Mobile/Manufactured, main reasons; 1) Investor appetite, 2) Appreciation factor, 3) Re-sell value, 4) Future buyer/investor appetite.

You've given them the instructions. 

A bit like a security clearance for employment in a military manufacturing setting.

I simply instructed her on how to purchase a Skype number, connected that number to the Mojo dialer, and she has successfully made calls from the Philippines. 

The goal of this Addendum is to protect the quality of the rented unit’s environment from the effects of bed bugs by providing sufficient information and instructions.

There are others...1 - The Manual for Manufactured/Mobile Home Repair and Upgrade2 - Your Mobile Home: Energy and Repair Guide for Manufactured Housing, 5th EditionAs mentioned above, when starting out, ask a handyman WHO KNOWS MOBILES to walk you thru and tell you what they look for.

No on site built homes and yes on manufactured/mobile homes but not manufactured homes that are bolted to the foundation.

What manufacturer is electr. panel?

Most LVL manufacturers provide their own engineering and stamp.With that said, if the project featured an addition then an architect would be a valuable asset.