I am confident that I have experience in establishing and operating online business, and I am profitable. But so far, I still don't have enough experience in many aspects, such as legal issues, managing a larger project team and so on. 1) Before you start doing anything, you should do a serious market research. I'm not an MBA, nor have I taken a business course, but my experience shows that market research is extremely important. Never think that your product should be sold for no reason. Do users really need it? Will people in need sell it online? Before investing time, energy and money, you have to think these questions clearly. 2) At the beginning, the goal should be realistic. Many people associate online merchants with concepts such as getting rich quickly, but this is not the case at all. Online business is the same as other businesses. You have to work hard, sometimes harder than other businesses. Don't expect your first website to be profitable. If you do it, you are good. If you don't do it, that's normal. Even if you work hard, generally speaking, the first website can make a profit, which is not easy to do. You must spend time, energy and investment in your business, and so must online business. 3) Practical promotion scheme. You don't have to wait until everything is perfectly integrated. It is impossible to build a perfect system. On our own website, there are many places that need to be improved and perfected, and many things are not what they should be. In fact, all websites are like this. But that doesn't mean you have to postpone your plan. As long as your system can work normally, although it is not 100% excellent, you can start. In the process of running, constantly listen to the opinions of users, and then improve from the details. Timing is important and time is precious. I suggest you take action now. Hurry up. Of course, this is after you have a market research and promotion plan. All the above are the skills of doing business after 90.