All general maintenance and repairs improve the property either by increasing the return on investment (ROI) or by reducing the Total Cost of Ownership (TCO). Although the expense and exercise of performing property maintenance is seen has an intangible expense, the performance of routine maintenance is directly related to avoiding expense repairs and therefore reducing the owners TCO. Major renovations such as roof, windows, etc… begin to yield greater ROI ranging 40% to 50%, whereas the renovation of the Kitchen and Bathrooms yield the highest ROI averaging 80% to 100%. This is due to these two rooms directly affecting the emotional side of the buyer/renter, which in turn directly affects the buying decisions.