Mistakes in interior design can be extremely costly, which is why in the long run hiring an interior designer can actually be a cost-effective option. Even the most well thought out plans occasionally go wrong and a professional has the experience to deal with the unexpected and remedy issues quickly. I ran across an excellent article on Huffington Post that outlines how to dodge common pitfalls and stay away from just plain design don’ts. Take a look at “How to Avoid Decorating Disasters.”