Without getting too preachy, can everyone put up a few of pointers about how to be courteous to fellow duck hunters. I'll start.
1) If someone beats you to the greatest spot in the world you have been scouting for weeks, chalk it up as a lesson learned and get there earlier next time. It is NOT okay to horn right in on top of them. Had a guy last year try to set up, without lights on, 75 yards directly in front of our decoys. We could not shoot at decoying birds if he had remained there. I pointed out that it was not safe FOR HIM to be there. To his credit, he did move.
2) Have a plan A, B,C, D, E and F for every hunt. If you miss your spot, work down the list.
3) Respect birds working other hunters decoy spreads. We hunted about 100 yards from some guys a few years back. We were facing quartering away from each other with some trees blocking any possibility of us shooting each other (we were there first but they rode over and asked if we agreed it was safe to set up like they intended). We and them then proceeded to let the birds work and only shoot birds decoying our own spreads. We and they passed up outside flaring shots to allow them to work and sometimes they came to our blocks and sometimes to theres. It was awesome. They limited before us (there were only 2 of them), but we finished a short time later and exchanged handshakes at the ramp as we left. Gentleman duck hunters for sure.
Good luck all. have fun, be safe AND courteous.