Tires are considered a hazardous substance by the state of Maryland and cannot be put in a dumpster.

Substance generally rules over form in legal matters so be sure you know what liability you're assuming by playing this role and what you should justly receive in trade for the liability.   

Vivid Vision has no substance in my opinion, it's just a lot of talk in circles.

Smoking also includes the use of an electronic smoking device which creates an aerosol or vapor, in any manner or in any form. [2] “Electronic Smoking Device” means any product containing or delivering nicotine or any other substance intended for human consumption that can be used by a person in any manner for the purpose of inhaling vapor or aerosol from the product.

Actually, if you've been following the news (mainstream, not the fake news), yes - job actions have been reported against Amazon drivers who could not meet requirements due to human need issues (nourishment, excretion, ...).

Or would it be more efficient to have a house and get multiple bids from contractors so that there is actual substance when analyzing who to work with?

The ones I do are an expanded panel for 9 substances of abuse. 95% of my positives are for pot, meth or opiates.

Non arm's length pricingReadily apparent circular cash flow,Form over substance, Preplanned, and even advertised in advance,what's not to like

Not much substance to a quick quote, those terms tend to change by closing. 

I had a showing lined up and he tells me 15 minutes before that he saw a plastic bag on the sidewalk with a white substance in it.