Try calling a local fire or smoke restoration company they may know a little about local codes and also put you in contact with someone who can answer more questions.

Outliers from 600-2mm are new construction or incredible restorations on premium streets.

What to do about the carpet--would a regular carpet cleaner be able to clean them and extract the water at the same time, or does this require a restoration company?

This is more about good will than liability.In Texas, the landlord does have 48 hours to restore hot water after notification, but the property code talks about reasonable efforts to make repairs and restore the property. 

To protect yourself if buyer backs out, impose a re-do, restore, revert, or demolition fee for installed materials and have it reverted back to the "as is" condition.

A couple weeks ago the local Habitat for Humanity Restore was selling composition vinyl tile for $0.20 per foot.  

The first thing I thought when you said "budget" cabinets is that you should check out the ReStore in Cedar Rapids (which is a Habitat for Humanity store.)  

The GRANTEE, by acceptance of this Right of Entry agrees to, at all times aftercompleting any work on the PROPERTY, restore the surface of the PROPERTY,as nearly as possible, to the condition in which the PROPERTY was found immediately before suchwork was undertaken.

@Andrew BriggsI would probably check with places like Restore and see if I good get a good deal. 

Replace s2 with a shower/tub and a wall restore the bathroom to its original condition.2.