Inexpensive need not appear cheap. The cheap curtains Singapore, for instance, have been made available in a wide variety of materials, patterns, and styles. Using an attractive pattern could be placed on a sunny window to good effect. The ready-made blackout panels could be easily affixed to the existing fabric panels in order to offer an inexpensive option for purchasing new insulated panels.
In-store workshops along with how to demonstrate have often been provided for people requiring assistance or instruction for completing the various kinds of sewing projects. The instructions for making various styles of curtains along with adding lining to curtains could be found in various craft books and on-line sources.