Sales, point of sale ...

Persistence is not necessarily successful, and the success of sales persistence is an inevitable factor, but there are still many factors, including contacts and ingenuity (to put it mildly, wit). Basically, every industry is inseparable from sales. As for how you do it, you can list all the bad aspects of sales, and then estimate the worst result. In case of this worst step, what will you do, what will you do next, and whether it is acceptable. We can get the results. Life is a process of self-realization. You will never know the result unless you try. But in the long run, your unit is also a good unit and quite stable. There better be a way to kill two birds with one stone,