What is your best kept secret life hack? Mine: if you're feeling sick (high fever, food poisoning, etc) and don't drink coke regularly, a half litter of frizzy full sugar coke and a pan fried piece of bread (naan works well) will do you miracles
Velcro ties on all cables. Can't tell you how much grief this has saved me as well as dramatically extending the life of my cables / gear.
Zipties for the permanent things. Velcro for the clutter. Please just use zipties for structural cabling!!!!!!!! Except for fiber jumpers :)