Anyone interested in small form-factor (SFF) builds should check out Optimum Tech on YouTube. He specialises in SFF builds and reviews, the style is chilled out, and the videos are nicely produced.

No affiliation, just a fan of the channel:

PC Builds - https://www.youtube.com/playlist?list=PLv8HwYhBwOOoYxKyLMJTX...

Cases - https://www.youtube.com/playlist?list=PLv8HwYhBwOOpUFPiBs6QG...