Pick What You Buy Carefully
The image below signifies why it is crucial to observe before selecting what you want to buy. This customer was asking for a refund after returning a mango that has been sliced and taped back together. Perhaps, if he had observed, he would have spotted that the mango was overripe before buying.
Source: Reddit
Shocking, right? The fact that someone can even come up with something like this and expect to get a refund. This is proof that some customers like this are rude and inclined to be terrible, while others care less than they should.