User Activity

I always post within 2 days and that's how all my listings are listed as. Or so I thought.Today I was looking at my Store and noticed that about half of the listings said "free 4 day postage" (as opposed to the rest which just said 'free postage').So...
I sold an item Feb last year and it was missing a piece. Both buyer & seller knew that - that's not the issue. But I have now found the missing piece and would like to send it to the buyer (not sell it, just send it). I have a record of the sale via ...
i just packaged two parcels - each in a SMALL satchel (prev 500 gram) - using the Ebay postage system. One was to Kew Vic and cost $8.65, the other was to country NSW and cost $8.95. Why the difference?
Just had an offer from a buyer who has no profile pic, and no detail as to where he's based, how long he's been on Ebay, or feedback detail. Is that usual; should I be suspicious?
I can see some very old posts which would indicate that apparently something changed on Ebay (temporarily?) and the Seller can't see who the Followers are. Is that still the case? Or where should I be looking? thank you