I do 99 % used open box.i like to talk directly with who I buy from . Sometimes I pick it up in person. That has been the most fun.meeting interesting people. Sometimes I get stuff that needs to be recapped and gone through.i take that into consideration. Price wise. Enjoy the hunt.
New vs uses in your current setup
Curious the ratio new to used/demo in your current system comprised of.
I’m equally split on a “per box” basis although I tend to look for used cables almost exclusively.