Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
I get $5-$7.50 as it's no biggie with a formula system, but I'm plastisol only, and work with a complete ink system.A tip I have shared before is to line the mixing container with clear base to make sure that no component color inks get stuck to the side and left behind.
Sneaker rubber that would change color depending on light angle?Hard to keep that straight even with a light box.....