It took me about 10-15 minutes. I didn't bother removing the display assembly. I had the kit from ifixit and the handle on the suction cup was easy to scotch tape to a weighted box. Do be careful prying out the battery. I used the recommended prying points in the video as I didn't have a hair dryer or iOpener handy. I would recommend prewarming the adhesive unless you are skilled in such repairs.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.