Pros
You will develop a thick skin (you be bombarded with feedback, 99% of it being criticism) You will become a good multi tasker
Cons
Be prepared to work 50/60+ hours a week (say goodbye to your social life) No opportunities (only external candidates become DM's, easier to brainwash) No praise whatsoever for anything good that your store as achieved( that's what your paid for) Threats (Threat of a disciplinary will hang over your head, for the slightest things) Culture of fear (Oh no the DM is coming, or Please lord don't let the SOM come to my store as he is in the area) Bullying is rife A culture of clickiness ( if your face don't fit, your in trouble) No support (even when things are bad, again this is what your paid to do, deal with it!) Be prepared to brown nose (survival is the name of the game)