I had a renter that rearranged all the furniture, left everything absolutely filthy, grease spilled all over the counters and oven, food spilled on the floors and table, trash left everywhere, etc.

hi, did either of you end up working with flooring capital? 

We have a few of these (not this brand but they are all the same IMHO) and they will help keep the sofas clean$89.90 - uhome 8.5qt Stand Mixer - https://www.walmart.com/ip/uhomepro-8-5QT-Stand-Mixer-Home-C...This is intriguing to me.

I am assuming in this that normal cleaning was done pre-occupancy and they are excessive in their expectations.

When my hardwood guys started sanding the smell was unbelievable, but we actually were able to seal the floors and get rid of the smell.  

Turning on the fan will also help eliminate bathroom odors and odors from harmful bathroom cleaning chemicals.Pro tip: Add cleaning the exhaust fan on your cleaning crew’s checklist during turnover.

When we create our business plan, we also include our exit plan.We'll only proceed if we can clean this up, acquire new tenants at higher rents so we can increase our NOI, which in turn should reflect our cap rate and profits.Since this asset class is new to us we will tread cautiously.Scheduled to preview tomorrow. 

Or are they moving out when the cleaning is complete?

-If its a large house that has a dedicated laundry room on the first floor, throw in stackable  laundry units on the bedroom floor.

A clean U&O means the Seller doesn't have to do anything.The home inspector is a different issue.