Hello, I purchased an item in November from China. There has been no activity since January 7. The status that day was ‘delivery unsuccessful’ but the ioffer.com seller keeps telling me it’s at the post office and will be here soon and to be patient. It was due Dec 27 at latest... it’s now March 05. I only purchase from sellers with a rating of 96% customer satisfaction rating or above. I have made several other purchases and about half have shown up by due date the rest don’t appear to have actually moved in over 30 days. Is this normal to the US? Thank you