First, start by reading a lot of short stories to understand different styles and structures. Then, just start writing and don't worry too much about being perfect at first.
To get started, read a lot of short stories to understand the structure and style. Also, try freewriting to get your creativity flowing. And don't forget to keep your story focused and concise.
To get paid for writing short stories, consider building a following on a blog or social media and offering exclusive content for a fee. You could also approach anthology editors or work with agents who can help you secure paid publishing deals.
To begin, think about a unique moment or experience that you want to share. Outline the main events and characters. Also, focus on creating a compelling beginning and ending. Don't worry too much about being perfect in the first draft, just get your thoughts down on paper.