Last week I heard it not once, not twice but three times in three different conversations with three different people that building KDE software and getting involved was mysterious and perceived as difficult. We have documentation on the KDE wikis for this, but I admit that it can take time to read through everything and find the shortest path from point A (e.g. a machine with Linux installed) to point B (building software from git.kde.org).
Video tutorials were suggested .. and so last night after finishing my work for the day (as if it is ever "finished" .. ha!) I sat down and recorded two episodes of what has, it appears, become a series. In these videos you will find out how to set up your system and be compiling KDE software in no time at all. I try and pace things so it doesn't go too quickly, but even then the first two episodes are only around twenty minutes all together, by the end of which you are a source compiling monster. Or at least your computer is.
I've started a playlist for these videos and will upload a new one every few days until we're at something resembling a useful conclusion. If there is something you'd like to see covered in this series, drop a comment below and I'll do my best to work it in.