Split-Screen Boat Comparison Edit

I have two separate YouTube clips showing different boats running in open water. I need them stitched into a single split-screen video: the first boat filling the top half, the second filling the bottom half, perfectly synced so viewers can compare hull motion and ride characteristics in real time... (Budget: $30 - $250 USD, Jobs: Adobe Premiere Pro, After Effects, Animation, DaVinci Resolve, Final Cut Pro, Video Editing, Video Production, Video Services)