To become one with your IDE you really have to learn a fair number of key-commands. Here are some of the most important in VS Code:
Selection:
Insert cursor
⌥ click
Insert cursor above or below
⌥⌘↑ or ⌥⌘↓
Undo last cursor action
⌘U
Insert cursor at the end of each line selected
⇧⌥I
Select all occurences of current selection
⇧⌘K
Box/column selection
⇧⌥ click (& drag)
Move the box up/down/left/right
⇧⌥⌘ arrow key
Editing:
Move selected line
⌥↑ or ⌥↓
Copy line
⇧⌥↑ or ⇧⌥↓
Delete line
⇧⌘K
Insert new line below or above
⌘Enter or ⇧⌘Enter
Jump to matching bracket
⇧⌘\
Decrease or increase line indent
⌘[ or ⌘]
Jump to top or bottom of file
⌘↑ or ⌘↓
Fold or unfold region
⌥⌘[ or ⌥⌘]
Toggle comment
⌘/
Toggle comment over multiple highlighted lines
⇧⌥A
Toggle word wrap
⌥Z
General:
Show the command palette
⇧⌘P or F1
Search files by name
⌘P
Open settings
⌘,
The ultimate move: open the keyboard shortcuts
⌘K then ⌘S
Just for reference:
⌘ is the Command () key.
⌃ is the Control key.
⌥ is the Option (alt) key.
⇧ is the Shift key.