I would attempt to negotiate with LL the scope of work required for the discount.  

1) cannot qualify for traditional financing2) fears appraisal will come in low3) fears buyer will back out so reduces contingency optionsnote for cash purchase I expect a significant discount.  

Check out the Straight Up Chicago Investor Podcast. 

I prefer to buy my materials because of my discount and because I’m pretty savvy with finding solid deals on things.

But instead of using the brackets, he just put the screws straight through the blind bar itself. 

I would be careful when looking at discount PMs because if they aren't making money, they likely have terrible systems in place for management. 

As best as I can tell on both sites, the algorithm looks something like this:Cheapest price>least restrictions (cancellation, # of days minimum, etc)>Premier/Super host>Review Scores>Most discounts (weekly, last minute, etc)>Regular revisions

I would check your price versus competition and check your length of stay discounts.  

Forced Apperception (BRRRR or buying at a discount) is also a hedge against corrections.

Discount off asking is -0.3%.