Collin Cunningham made a great video about the benefits of using perfboard for prototyping circuits.
Via: Adafruit
“When you think “DIY electronics,” one of the first images that likely comes to mind is of parts and wire soldered to a standard piece of perforated circuit board — and that makes sense. Perfboard is widely used because it’s so versatile. Essentially, it’s just a grid of potential solder-point connections.”