You will want to weight the pros and cons of each software and determine for yourself where you are headed with your business and the features that you need.

You can't change out the paneling to drywall as the weight cannot be altered in a HUD-code home.

We changed to lighter floors after this renovation. 

My question is this... on any subsequent purchases where I'm pulling more than 50% of the weight, how much additional percentage (assuming 50/50 downpayment) would the other legwork be worth... 55/45 or how would the legwork typically be reflected in the deal.

We use lighter shades such as Popular Gray and Eider White, by Sherwin Williams.

Most junk removal service prices will pay for labor, transportation of dumpsters & junk, as well as dumping fees which normally go by weight. 

The builder didn’t intend on so much weight being added later, as it’s only made to park a couple of cars, not a whole second story.

I can't imagine any auditor worth his weight would allow that.This is a situation where if it sounds too good to be true, it probably is.  

Keep in mind they weren't built with the intention to hold that kind of weight.

Verbal conversations hold no weight.