Sturdy Foundation2. Topnotch HVAC System 3. High Quality Siding 4. Septic Tank 5. Top-notch Roofing 6. Installed Alarm System 7. Energy-Preserving Appliances 8. Proper Insulation 9. Hard Flooring and Carpeting 10. High Quality Windows 1-1. Adequate Counterspace 1 2. Possibly Other Heating Alternatives 1 3. Top-notch Plumbing 14. Outdoor Walkways 15. A Garage Building a home is usually cheaper than investing in a property that is built. However, with many of these must haves mentioned may also go a long way in ensuring you have greater savings as soon as it has been more energy-efficient, such as low-cost eco-friendly modular domiciles. .