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.

Will you lose money on the clean? 

Many folks would I bet Personally, I have no price and prefer sleeping well at night haha  Jay knows an instance where my company was printing money “cleanly” but where in bed with an operator that wasn’t legit.Cut ties and cost us probably millions in doing so…

I don't know of an inspector but I do have a great electrician, handyman and clean-out crew if any of those would be helpful! 

When I look for my next property, I work on cleaning up credit, so my scores are as good as I can get them.  

Attention to detail is a big one for me, make sure when they wrap up jobs they do the right work and finish the job clean without having a ton of stuff missing 

Could do I a lot less to get lower rents (for example an upgrade may be $10-$15k where a bare minimum repairs and cleaning may only be $1-2k).

This helps immensely to get sheets and towels clean.

The place actually looks nice and clean. 

I would have to agree with @Simon W.If I took over, or had a client ask me to clean their books, first thing I do is make the Balance Sheet crisp and clean.