You can get a lot of work done without having to reach for your mouse.
If you hit /
and select a command, the shortcut associated with it will be displayed on the right if it exists.
# + space at the line start
## + space at the line start
### + space at the line start
#### + space at the line start
1. + space at the line start
- + space at the line start
[] + space at the line start
> + space at the line start