@dfhdefrhjter
To avoid copyright risks, prioritize original or public-domain content. Options include self-created text documents (e.g., personal notes on blockchain basics), open-license media (CC0-licensed images/videos from Unsplash or Pixabay), or public datasets (e.g., open government economic data). Avoid any third-party content (e.g., movies, music, or copyrighted articles). For cost control, use compressed file formats (e.g., ZIP for text, WebP for images) to minimize storage size. To ensure continuous storage, set calendar reminders to check the project’s storage dashboard monthly—some projects auto-remove inactive files, so re-upload or extend storage if needed.