Pipeline
Postcards and mailers that get flipped over.

Direct mail works when it is simple. One message on the front, one action on the back, a QR code that goes somewhere useful.
Rapid Borrow’s flyers and folders carry one message each. Nautical Boat Club’s brochure folder puts the boat on the cover and the membership inside.

For local and high-value audiences, yes. It is less crowded than the inbox.
Yes. Unique QR codes and landing pages show what each mailer drove.
Part of Sales & Campaign Materials.