The Blue Zone Is a Sphere, Not a Cylinder
I've won many games because my opponent's didn't take this into account. Near the end of the game, you generally want to take the low ground as that will be the last safe spot in the game.
This isn't always true. If the final circles are on the pyramids in Mexico, the center of the blue zone might be weird, but generally its ground level.
There is a weird perverse pleasure sitting in the basement of one of the mansions in Normandy as the game draws to a close, to see the the footprint above me get frantic when they realize they are trapped. To see them circle closer and closer, then stop. Then to hear the person go prone. Then..
Learn to Deal with the Uberpans
This one item makes me grimace. There are players whose whole game strategy revolves around this one item. They wear wings, use ritual of speed, and will run up to use and gib you before you have a chance to react.
On top of that, they easily reflect rifle fire.
At the end of a game, look for weapons that are effective against people that are using pans. There is a very good chance you'll have to deal with an opponent using one. You want shot guns, assault rifles, or hard hitting submachine guns.
The other option is to pull out your own uberpan. I've noticed when I do that the other guy often, and quite suddenly, doesn't want to fight at melee range any longer.