Let me show you how I use Kdenlive to edit my videos.
00:00 Kdenlive Basics
01:06 Add Audio Track
01:43 Group & Ungroup Tracks
02:58 Cut, Delete & Remove Empty Space
04:07 Change Speed
06:37 Fade Out
07:04 Timeline Scroll & Zoom
08:14 Fade In
09:17 Render Audio Track For Editing
11:18 Render Video
12:02 Add Title Clip (Text)