The best I can do is high pressure wash with a detergent.

Guests don't need to bring paper towels, toilet paper, laundry detergent, etc etc.

Hey Billy,If you don't want to call a service company I recommend using a dry stain remover sponge first then some soap, detergent, or a mix of both and a lot of scrubbing.

How much laundry detergent? 

Research detergent additives, as these make a big difference.Powerwash rigs come in various configurations.

The lady slipped on the detergent on the laundry room floor.

I'd definitely say you need to plan on additional expenses upfront such as: permitting fees, extra holding time if there are permitting issues, all the little things in the drawers and kitchen etc, hot tub, amenities such as toilet paper, spices, laundry detergent, dish soap, shampoo and conditioner etc. - stuff you need to restock and have on hand.

I was told by the septic people that, for this new septic, neither detergent pods nor bleach should be used, because it can clog the system and harm the bacteria (it's a biological septic system).

Another way to put it: you can work with a team building a chemical analyzer to for a drilling platform on an asteroid, or a team figuring out a better way to mix laundry detergent.

I always provide laundry detergent, just a jug full with extra supply in the storage cabinet for cleaners to replace