When I used to hunt CNF, my favorite tactic was to go into spots after all the hunters called it quits. I use calls with different sounds (raspy, higher pitch, etc) and set up right on private/public boundary and call birds onto public land. One thing to take into consideration is by now these turkeys have heard all of the off the shelf turkey calls and the non stop 20min yelping from box calls. In order to sound different, you need to practice listening to real hen talk and act like a real hen. Change your cadence, tone down calls to match what hens are doing currently, change the deflection in the stress in your yelps, throw out some keekee's with your yelping, and most important don't over call.
If you know the travel path of the turkeys, leave decoys at home and set up in an ambush spot or on a known strut zone. If you know where the birds are strutting, put a single hen feeder in the area and just sit and wait. All if these are known turkey killing tactics that I have learned from veteran turkeys hunters and they really work well. Here's a scenario I use several time in one particular spot on CNF that is very popular but is always completely free of hunters after 11AM.
My routine was hunt a area that's right next to a state park that required a long hike. If I didn't get a bird there by 10AM, I would hit the road to a popular spot and either wait for hunters to leave or hunt away from others. I would set up right next to a hill over looking boulder creek road, put out a single feeder hen and call using a mouth call that has a very natural sound. I would take 15min naps and call in between my naps. Usually 8 times out of 10, I would get a gobbler in the same spot every season (two out of the same spot in 2003).
