How can cost a study? What does the study? It benefit ultimately paid a study is a waste of money?
These are questions that do not have someone who has his residence, the professional space, just as you might like him, but he did himself, as his personal thoughts and actions suggestions to develop the site in accordance with the limited personal knowledge in design, imagination and technique.
There are some important questions to consider when planning a new project, namely: Is good lighting important in your work? What is good lighting design and how to achieve?