wood fence - Questions
Normally, screw or nail length should be 3x the material you are fastening through. 1x pickets 2-2½" fasteners. I'd use either hot dipped galvanized, exterior deck screws or stainless.
Paint or seal the bottom of the pickets and rails prior to installing. You can put them up wet if stick building.
What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.