If you are a computer geek, then you probably always encountered this situation – everyone seem likes to ask you look up their computer problem. These people are normally your friends or relatives, thus your services might have only a little bit returns or even zero returns. There is completely no problem at all for people likes to offering helps. However, if you have other more important things to do, then this could be very annoying.
I know you hard refuse people, but instead of words on the mouth why don’t you show your thought on your shirt. Yes, this “No, I will not fix your computer” t-shirt express yourself very clearly. So, when your friends see this, they will get it.