Shell Chords, Being Human, Switching Positions, Phrasing, sus4 on a IV Chord

Here are the timestamps for this Office Hours:

Sirot asked about shell chords 

Ahmed asked about (1) making chord progressions more human, (2) jumping between CAGED pentatonic shapes while soloing, and (3) the elements involved in playing an epic solo. 

Jeff asked for some tips on phrasing and soloing practice in general 

Mark asked if it's easy to switch between plastic and nickel pickup covers 

Tim had a question about sus 4 IV chords. And another about add9 and add11 

David was looking for tips on switching from acoustic to electric guitar