There is a mood in the media to dislike realistic approaches, such as saying that web companies that make telephone sales calls are no good.
However, this is not a good thing, because the IT and Web industries are not good at making phone calls, and they need a non-telephonic method to analyze the situation.
We receive sales calls at various times. Not all telephone sales and faxes are bad, and some are good, so it is difficult to make a blanket judgment.
Of course, there are some that are not good. Also, some good products may not be needed at the moment, so it is necessary to examine them properly. It is also important to build a relationship with agood service, for example, by continuing to receive only information about it, even if you do not need it now, thinking about the future. If you look only at the present, you will fail.
Nevertheless, once you are able to grasp the situation of the industry, you will be able to judge why the sales person came to you, what kind of service is waiting behind the scenes, whether it is unnecessary or necessary, how much you are willing to pay, and so on.
In order to do so, you need to have some knowledge of the revenue and expenditure structure of sales, how much you can spend on sales promotions, and the surplus of personnel in the company.