Scrubbing grout with a toothbrush. Painting that awful lavender room we didn't like but never bothered to paint. Painting the door that got scratched up by the foster dog. Cleaning things we never really cleaned so well before. Trying to figure out where those little oily spots on the wall came from and how to get rid of them. Removing the ugly wallpaper border which will necessitate painting the really awesome red room, but in a less awesome, more real-estate-agent-approved "neutral" color.
Happy new year. May your blinds always repel dust.