TJL, Welcome to LR Forums.
Yes, but it will depend entirely on what 'a bit of touch-up' means to you.
Changes to multiple images which require identical absolute settings in the Develop panels are easy to implement.
Changes to multiple images which require identical relative settings are easy to implemt in the Quick Develop Panel in the library module.
Unfortunately, the two methods may be problematic to intertwine.
Almost every image I take needs individual framing/cropping (action sport). Identical framing/cropping can be apllied to multiple images, custom not so much.
Tell us more about #5, we'll tell you how to proceed efficiently.
It'll help if you build a signature block, as you see on most member's posts here, cuts down on a lot of back and forth about your system and workflow details. Access that function via 'User CP' at upper left.
Just as an quick example, you say 4'D; that helps, but what we'd really rather know is CR2 vs. jpg?