Plenty of people decorate their own homes and are happy with their results. Plenty of other people hire a mid-range interior designer and are happy with the results. However, there are times at which it's wise to hire a high-end, creative interior designer, even if it costs a little more than you'd usually spend. Here are some of those situations. You're having a new home built Having a new home built is a good way to ensure the home you live in is specifically suited to your needs.