Did you know that when you are copy and pasting text in InDesign, you have 2 clipboards at your disposal?
If you turn on Drag and Drop Text Editing in Preferences > Text, you can copy and paste or cut and paste via drag and drop, independent of the clipboard used with Edit > Cut, Edit > Copy, and Edit > Paste.
In other words, you can copy some text to the clipboard with Edit > Copy, and then cut and paste some other text via drag and drop, and then still paste the first text you copied by choosing Edit > Paste.
Some handy shortcuts to use with drag and drop text editing:
* Add the option/alt key after you begin dragging to copy the text instead of cutting it.
* Add the shift key after you begin dragging to cut or copy the text without formatting (which will cause the text to adopt the formatting of the surrounding text)
* Add the Command (Mac) or Ctrl (Windows) key after you begin dragging to create a new text frame for the text.