Ebay only looks at the delivered status.

Ebay does NOT ask you for the address, just the tracking number.

I would honestly not give this any more consideration - the buyer should have thought about having stuff sent to her work address instead of her home address, but again, this is completely her issue. Don't know why you're tying yourself up in knots? I think you're getting too involved by giving her suggestions etc. I'm sure she can figure this out for herself.