Photo by @musiena on Twenty20 Some home improvement/repair projects are necessary regardless of cost, such as installing a new hot water heater when the old one stops working. Others, such as updating the kitchen or windows, are more a function of having the money to do so-and how much they add to a home’s value when it comes time to sell. According to the most recent “Cost Vs. Value Report” published by Remodeling magazine, the most cost-effective remodeling job is redoing…