You seem to be attaching the blame to the tenant, but really the contractor has multiple & the most options to prevent this.

If not, then ask that the boxes go in the middle of the room, so that the inspector has access to the walls (also if there is an active leak, the last thing you want is a bunch of cardboard boxes against the wall impeding air flow).An inspector will not move anything for the inspection and they will miss things because nothing is 100% no matter who does it. 

Who prevents sellers from doing it?

And mark these mother-truckers up, they are paying for the convenience... providing you aren't somehow preventing them from buying the stuff themselves beforehand (the way movie theaters do), it's not at all immoral. 

.- Unclear Documentation: Ensure agreements are well-drafted to prevent misunderstandings.- Market Trends: Consider future market impacts on property value and income potential. 

In parts of Chicago, not having central air or W/D in unit can still be a good deal and a "turn key" property for that neighborhood.

Found through agent after 8 months of searching while doing Air Force pilot training duties "on the side" xD.

The longer we prevent that the better for all life on earth.  

Have you gotten insurance similar to Air Cover for issues that may arise?

How do I prevent someone from staying past their stay without pay?