Even a contractor's overall estimate - which usually comes with its own contingency factor - should have a second margin put on top of it. Renovations almost never come in on-budget, so you should try to be prepared. Do bugs keep you from enjoying the outdoors. Consider adding a screened room or space to your home. It offers an area where you can sit and relax with family friends, while not having to worry about these pests bothering you.If you don't know what you are doing, you can really hurt yourself or make your home unsafe. Don't worry, the tips listed below can help you avoid this. Improving the air quality inside your home can be an invaluable home improvement for both your health and the resale value of your house. The first step would be to replace any old carpets or have them professionally cleaned, as they could be hiding contaminants, allergens and unpleasant odors.Secondly, if your budget allows, install an energy efficient air conditioning system. When choosing a contractor, make sure to interview them and check references. There are few things more painful than a home improvement project gone wrong. At best you'll have to live in a house that makes you unhappy and at worse you could find yourself without a place that's safe to live in. Perform your due diligence upfront in making your choice so that you won't be surprised at the results at the end.Free up some additional space by having the cabinet and sink removed and replacing them with a sleek and attractive pedestal sink. The look is timeless, and the narrow silhouette will free up a great deal of space. If you ever come across a ceiling leak, you may need a roof upgrade. Procrastinating on this issue can be dangerous. Search your area for a high-quality roof specialist, and have them inspect your roof.