How long does it take to be promoted to supervisor in the sales industry?

With the goal of being a supervisor, the first thing is to choose a big company, where promotion opportunities are relatively high, and people are generally selected based on ability; the second thing is to have a plan and strong execution ability and a good mentality; the third thing is to have a higher level For bigger goals, you must be more motivated. My colleague became a supervisor in less than a year, and the industry is sophisticated and capable, and the salary is in the tens of thousands. For the specific salary, you can check the company's assessment plan, plus market conditions, to see if you can earn 5,000 or 6,000. A colleague of mine became an intern manager in one and a half years, but he had worked in the sales industry before and knew the industry very well. come on! ! !