Originally Posted by buckethead 
I have been searching, but can not find an answer that seems to be authoritative on either side here. Does resaving the same jpg file a few times degrade the image? I am not doing any changes to the picture itself, just adding tags, etc to the file.
It would have to be an exceedingly poorly written program to decode and then recompress an image just to write some tags. If the program is anything that ever gets mentioned here, I'm sure it's fine.