What’s the fastest and easiest way to manipulate the characteristics of your brush in Photoshop?

• Press ] to enlarge or [ to shrink your brush
• Press Shift+] to make your brush harder (less feathering) or Shift+[ to make it softer (more feathering)
• Press Shift+ a digit to establish opacity (0=100, 2=20, etc.), and press Command (Control on Windows)+ a digit to establish the fill.

This will save you tons of time when using the brush tool.