What is unethical is to paint every room a different color, let your dogs pee on all the carpet, and move out leaving filth everywhere-- letting the lender foreclose.

The new buyers wanted to know what the house could look like, with the colors,materials and products they are wanting, so he conposed a virtual tour for them.I don't know what a CAD draftsperson would charge for this, but seems like it would be cheaper than buying and storing furniture in some instances.

I have explained that her client could pick color of carpets, paint, lighting etc.

Should be able to pick up a styrofoam one and cut to size then paint whatever color you want.

Maybe add some colorful artwork or decor.  

Things to consider are tile size (timeless 8x8, 12x12, 16x16, subway, vs trendy 6x24, large plank tiles, etc.) textures (trendy fabric look) and colors.  

we are using vinyl click tiles from HD in a light gray stone color for a kitchen that leads to a 1950s oak hardwood floor.

Put some plants outside.Print up some color flyers and get a sale sign thing and put in the yard.My house sold in 10 days,, agent split $28,275 commission.. that's $1413.00 a day she made..My costs to have held on to it for another couple of months would have been about 900.00 a month,, taxes, ins, So all depends on what your selling. price your selling at,, and how bad you need to sell it.. if it's priced right,, I'd pay a appraiser to come out and appraise it for 350,00 so you know what it will appraise for so you know where you are at if needed.. 

What color would you guys repaint it?

You could try painting the grout with grout colorant.