Gmail keyboard shortcuts take a few minutes to learn and will probably save you hours of moving your mouse around each year.
To use them, the first step is to enable keyboard shortcuts.
There are lots of keyboard shortcuts for Gmail – I recommend you learn a couple per week for a month or two.
The following shortcuts are particularly useful for Inbox When Ready users:
The PRO edition of Inbox When Ready includes a show / hide inbox shortcut: CTRL + SHIFT + I.
Inbox When Ready is made by Peter Hartree in Reykjavík, Iceland.
The extension is free to use. You can support my work by upgrading to the PRO edition.