Almost every single time. Sometimes I like the way creators will think to arrange furniture, but overall I have different preferences for furniture, wallpaper and floors. Plus, often the houses are way too expensive being all furnished and I like to have my Sims bring their furniture with them from their previous homes or buy new as they can afford it.
Sometimes I will keep everything if the house is highly themed and the themed decorations make sense for it, such as some of the lots by Cyclone Sue.
One thing that always bothers me besides the houses being furnished to the hilt is the fencing and edging that so many creators put around the perimeter of the property and every single garden bed. I always undo those. I can't stand edging or lots of fencing.
Another thing that annoys is when plants face the wrong way so that gardeners can't water them. Maxis made a lot of their lots this way too. So annoying.
Addicted to The Sims since 2000.