There is a small hand-operated bean grinder on the market, which I have never used, so I can't introduce it in detail. I suggest you take it to Starbucks for grinding. It is recommended that you drink it within a week or two after grinding, and it should be sealed. 96-degree water can be left idle for about one to two minutes after boiling. In fact, this influence will not be too great, and few people can drink it.

The following are answers about making coffee and choosing a pot. Please don't mind. I'll show you my answers to similar questions from others. For reference.

If you plan to make your own coffee at home, I suggest you buy a French press. Easy to use, the size of the pot can be decided by yourself. The coffee brewed in this way is easy to master, and it also reflects the flavor of coffee well.

At present, the price of this kind of pot on the market varies greatly. The difference lies in its filter material, tightness and whether the glass is uniform enough. The former affects the filtration of coffee and whether it will be over-extracted, while the latter affects the thermal insulation performance of coffee. I suggest you buy one at Starbucks. It comes in 3 cups, 4 cups, 8 cups and 12 cups. If you drink it alone, four cups will be enough. Coffee beans are ground to 10 degree, and the ratio of 10 gram of powder to 180 ml of water is 180 ml, so the pot of 4CUPS is 32 grams of powder, and then water is added at the beginning of the spout. If it is not enough, it will be fine. Cover it, press it in four minutes, and you can drink it. I suggest you finish your coffee within 20 minutes, because after this time, many important flavors of coffee will be lost.

I suggest you go to Starbucks, where there is the earliest brand that produces this kind of pot in the world, and the quality is guaranteed. It is important that the partners there will patiently answer all your questions about coffee, including your current questions.