How to prepare kombucha by yourself?

Kombucha is a fermented beverage that is made through the fermentation of sweetened tea. It is a popular probiotic drink, rich in acetic acid bacteria and yeast, which have a beneficial effect on the digestive system. Kombucha has become a popular beverage among people looking for alternatives to carbonated drinks while also wanting to benefit from the potential health benefits of probiotics. How can you prepare kombucha on your own? What should you pay special attention to? What specific products do you recommend?