Do you want to darken the room? Yes, I need the room dark, even sometimes during the dayNo, this isn't necessary
Do you need to insulate against heat or cold? Yes, this is important!No, it's not that important.
Which best describes this design project? Price-focused: I want the least expensive option to get the job done.Style-focused: I want the best window covering for our needs.Value-focused: I want something that looks good, but I do have a budget.