Walmart

Walmart is a well-known hypermarket brand, and the largest company in the world, valued at $500 billion.

Why It Sucks Now

 * 1) They are best known for many incidents of poor customer service.
 * 2) One of the most infamous instances is that they sometimes place back the returned items back to the shelves, instead of back to the companies.
 * 3) They often times underhire cashiers to work, wasting customers' time.