No, this should not be cut.
It is rust resistant.
About 30 pounds.
Sorry, it just comes with the hooks shown.
The 3/64" answer looks like it might be the right size for a pilot hole to screw directly into the wall, but the instructions say to insert the anchors into the drilled holes. 3/64" looks too small to me for that purpose. But I could be wrong.
The rod is a tension rod. It is not designed to be cut shorter.
The rod is a 2-piece design. it adjusts in the center. See link- https://images.homedepot-static.com/catalog/pdfImages/3c/3c2e50d6-7f5a-40d3-9cf0-1c189c4ac15e.pdf
No, it is not recommended for this rod to be cut to a smaller size.