school me on this guys...
AFAIK, you can DIY but need a spendy tool to tension the cables...
This will use existing 4x4 redwood posts - just need to drill them
I am trying to get away from having to restain the hundreds of 2x2s on the railing
.... hence the idea of cables
The deck is 25 ft. off the ground so it may not be a great DIY project anyway...