Now I live in Jinan. Will letters and postcards be delivered home? There is no real estate here. Go to the post office and ask for it to be delivered home.

In principle, the post office won't send you upstairs unless you know the postman well. Postcards, like letters, are usually delivered to your mailbox.

Do you live on a high floor? If there are many letters, I suggest you talk to the post office and set up a mailbox for your home downstairs for easy reference. That's what I do. If you haven't received letters in China for half a month, you must have lost them. As for where to leave it, please see if there is any affordable housing in the community, maybe there.