YouTube Lecture Video Editing

I have raw footage of myself speaking directly to camera and I need it shaped into a polished YouTube lecture. The end product should feel clean, engaging and visualized. I also want to have captions and for every video a horizontal and vertical version... (Budget: €8 - €30 EUR, Jobs: Adobe Premiere Pro, After Effects, Animation, Audio Editing, CapCut, DaVinci Resolve, Final Cut Pro, Video Editing, Video Post-editing, Video Production)