As the title says, what are some random training tips that you have learned throughout your years of lifting? I'm not talking about shit that has been said millions of times over like "arch your back," "shoulders back and down," "weight on your heels" etc.
I'll give a few off the top of my head. Keep in mind these work for me but obviously may not work for everyone.
Keeping your wrists straighter during movements like the bench press tends to hit your shoulders harder than when your wrists are bent (suicide grip). When I am using suicide grip, there is almost zero shoulder stimulation.
When you are doing dumbbell rows on the flat bench, I have found that gripping the dumbbell slightly further up helps you pull in a more diagonal manner which aids in stimulating the lats more.