Well now here's a neat idea-- Magnetic vent covers. Place over vents in unused rooms to send heat where its needed. More effective than closing vents! Reusable magnetic vinyl covers wont scratch and can be easily trimmed to fit.
Amazing Easy DIY Home Decor Ideas- closet to mudroom . I don't like the idea of putting a mud room in the middle of the house somewhere. I do like the idea of putting cubbies for shoes in a walk in closet, instead of shoe racks.
Sultan 3 Piece Sectional - Signature Another Living Spaces option. It is a lower price point than Crate and Barrel or Arhaus which will show up in the quality, but not sure how price conscious you want to be.