This is very ambitious but I would think to create an automated Twitter account that tweets content related to a particular niche, you will need to follow these steps:
• Choose a niche that you are interested in and would like to tweet about. This could be a specific topic, such as technology, or a specific industry, such as fashion.
• Set up a Twitter account and customize its profile with a profile picture, bio, and website (if applicable).
• Use a tool such as Hootsuite or Buffer to schedule tweets in advance. You can use these tools to schedule tweets about relevant content, including articles, blog posts, and news stories related to your niche.
• Use hashtags relevant to your niche to increase the visibility of your tweets.
• Engage with other users on Twitter by commenting on their tweets, retweeting their content, and following them. This will help you to build a following and increase the reach of your tweets.
• Monitor the performance of your tweets and analyze which ones are performing well and which ones are not. Use this information to refine your tweeting strategy and improve the quality of your content.
It's important to note that Twitter has strict rules against automation and using bots to post content. Be sure to follow these rules to avoid having your account suspended or banned.