What advice can German expats give about the DTV Workation process in Germany?

The conversation revolves around advice for Germans who have recently obtained a DTV (Digital Nomad Visa) and the documentation required for the application process. Contributors share their experiences, emphasizing the necessity to provide various documents, such as proof of income, freelance contracts, bank statements, and other financial documentation. There's also a discussion about the importance of additional paperwork like tax filings and registration of business activities (Gewerbeanmeldung). The advice is geared towards navigating the application successfully, including tips on preparing supporting documents.