Under $500 Home Projects for Winter
Here are a few relatively inexpensive ways to improve your home this winter!
New interior Paint
Seal air leaks. (think all exterior openings)
Install a new thermostat that is programable
Add a tile backsplash by sinks or some crown molding
Add extra attic insulation
Re-do interior doors
More details at this source: https://www.fortunebuilders.com/budget-winter-home-improvement-projects/