Cold calling is the process of calling up potential customers without them knowing about it beforehand. Cold calls are generally unsolicited, so it's not surprising that many people don't like getting them.
There's no guarantee that the other person at the end of the line would say they're interested in what you're selling. Chances are, you'll probably be rejected many times. Prepare yourself to hear the line "No, thanks" when you're making cold calls. And yes, there's a high possibility that the person will hang up while you're talking.
However, cold calling is an important part of the selling process. Passive techniques can get you some sales, but there's nothing like active marketing when it comes to bringing in the profit. It's also a great marketing technique when you're first starting out as a freelancer or solopreneur, since you need a fast way to get your name out there and get in front of people. A website and some fliers only do so much when you're just starting out.
In face of high chances of rejection, the best you can do is to make the most of your cold calling time. Here’s what you can do to prepare: