Hardwood or ceramic tile floors are better than carpet or vinyl. Update bathrooms with tile floors and modern fixtures. Modernize plumbing and electricity throughout the house. Replace wall heating with a forced-air unit. Replace the water heater.
Concrete driveways add more value than asphalt driveways.
Avoid pools, spas or saunas. They don't add much value and may be a selling drawback. Debt means servitude. Reduce or eliminate it with the Consumer Credit Counseling Service. Look 10 years ahead at how your spending will or won't contribute to your long-term goals.