It's certainly not standard practice and there's no telling if it would pass the substance over form test. 

If the deal does not work you shall execute your exit strategy & exit the deal no harm done

No harm in overthinking to be aware of possibilities. 

On the flip side, no harm in the buyer trying to negotiate (I would). 

If new occupant’s kids fall in the home and blame you, then your insurance will be at harm.

Slobbish behavior generally has to somewhat tolerated as long as it doesn't cross the line into harming your property.

As an example, I just found out that there are a few plants around where I live that are omitting very harmful chemicals.

Cash and cash like substance, cost to buy and cost to use, own and control, measuring returns using Stock Market terms and using REI terms, possitive CF and Negative CF, the power of the penny, the power of compounding, goals and plans, etc...4 - You need to learn how to develop a REI Plan. 

@David Katzwe have asked for two percent of final price as credit in every OOS transaction to defray the lender fees.i have not bought turnkey so dont know if the provider will agree but no harm in negotiating and asking the seller.

No harm in trying...