DIY changes that boost room comfort most include layering lighting, choosing a larger rug, rearranging furniture for flow, and updating paint colors. Adding plug-in sconces increases warmth and usability. A bigger rug unifies seating areas and softens noise. Pushing furniture slightly off walls improves circulation and openness. Fresh paint in modern hues refreshes mood. These tweaks improve how you live daily by combining function and style simply and affordably. Evaluate your space purpose and prioritize implementing these tweaks one step at a time.