What are /r/HelpYourYT's favorite Products & Services?

From 3.5 billion Reddit comments

download youtube studio and upload your video then maybe it could be because u haven't verifyed ur youtube account by phone number so u can't upload custom thumbnail https://play.google.com/store/apps/details?id=com.google.android.apps.youtube.creator&hl=en

Um what u record like game and app for thumbnail on mobile This is also a thumbnail app https://play.google.com/store/apps/details?id=com.ryzenrise.thumbnailmaker&hl=en