Hi everyone! I mailed my package out December 23rd, and it arrived on December 29th. (I mailed USPS Priority Mail Express, and it was supposed to arrive the 27th, so I requested a refund for the shipping fees.) I am very close to my deadline: Green Card expires January 1, so now I am just nervously waiting for the letter so that I can cross the border again! I was having a lot of trouble figuring out what to include in the package, but finally decided I needed to just SEND it, and I would rather get RFE than send it any later!