What you hate most about telemarketers?!?

I'm not rude to telemarketers unless they are pushy. Some of them are and some of them aren't. I realize they are just trying to make a living so as long as they can take no for an answer I will be nice to them.

I hate the way sometime try to overcome your knowledge about something and try to force to buy something and keeps on calling you back again and again insting you to buy the stuff like that... they really make you irritate as you ahve refused once...

the problem with telemarketers is that they often do not understand when the moment is not right. sometimes i get back home from work and i am really tired; all i want to do is spend a little time with my family, having dinner and talking. suddenly, the phone rings; someone wants to sell me an encyclopedia or a computer course or whatever. i understand this is their job, i understand they need to press forward, but if i say "no" i really mean "no". to them, it seems i say "not exactly, but you can persuade me all the same". in the end i need to stop the conversation and i hang up (is this the right word?) the phone, because they will not understand. i do not want to be rude, but i want them too, not to be rude with me