1)Wall-to-wall carpet 2) Whirlpool baths, saunas & indoor hot tubs 3)Expensive built-in sound systems and home theatres 4) Colourful bath fixtures 5) Ornate chandeliers, wallpaper and paint treatments 6) Odd rooms and walls 7) Overly fancy appliances 8) Cheap laminate or vinyl tile flooring 9) Swimming pool 10) Finally, #1 renovation no-no:Turning a 3 bedroom into a 2 bedroom home