This macOS trick will save you time and make you more productive. Another great macOS secret from my video series macOS Tips and Tricks.
Open Terminal Application and run these commands:
To set no delay when revealing the macOS Dock:
defaults write com.apple.dock autohide-delay -float 0 && killall Dock
To revert back stock Apple settings of the macOS Dock:
defaults delete com.apple.dock autohide-delay && killall Dock