Vantaggi
The learning curve is very steep. You learn a lot in your first few months as the company operates in a very different way from other retailers.
Svantaggi
The amount of work one single person does is ridiculous. Also, there is no formal training. You learn everything by doing it yourself. You get no support from your manager. Basically, your manager is there just as a title who does your performance review at the end of the year, which by the way will come as a surprise because there is no feedback on your performance, even when you ask for it because the managers have no time to do it until the end of the year. The company culture is COLD. Your co-workers will not verbally interact with you even when you try. They are an awkward bunch. They only respond well to emails. Your "manager" has no previous training or experience in people management and will not take any interest in your professional development. In fact, if you are better looking than your manager, or dress better than your shabbily dressed manager (no dress code at amazon), your manager will probably dislike you. And I want to again emphasize that your manager will take NO interest in your professional development.