What am I doing wrong?

 From:  Sean (REGULATORJOHNSON)
8208.1 
I have been fighting with this part for several days and I can not get it to do what I need it to. It is difficult to describe the problems I am having so I made a very short video:

https://youtu.be/7R42xNhFX4k

Boolean is simply not working, and extrude also seems broken when used on this part. I have even cut off large portions of the component and rebuilt them and still have issues with Boolean and extrude, but I can at least get rid of the weird problems I am having. Am I doing something wrong? I am at my wits end trying to get this to work.

I hugely appreciate any advice that can be given. I am extremely new to 3d modeling and hope there is something obvious I am missing.


P.S. re-watching the video I say faces several times where I actually mean edges. Sorry for any confusion.
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