there are many days when I just run (2) flatlines off the back and do well even limits.

It is easiest to start by flatlining 2 rods off the back. (no boards or divers is flatlining) I run a tt40 with a spoon or harness on port side with a bottom bouncer or diver on the starboard. This keeps one near the top and one near the bottom. 2 people can easily handle this set up. Then put your tt40 on a board and run it out another 80 feet. Then put another tt40 out at a shorter depth and run it out with a board 50 feet. Now you have 3 running. You have probably already gotten bit on one or two so keep an eye on lines. If not run a 4th rod off the starboard side by adding diver set to run far off the side but above the first diver or bouncer. This is a typical WB setup and you can cover quite a bit of water from 5' down to 40' of water depth. Once the fish seem to prefer a depth of lure or type of presentation, move the others close to that. Some days the bouncer or diver will give you the biggest fish. sometimes it happens to be a FO sheepshead. I have caught 10#ers (walleye) on bouncer or diver in central basin like this.

Keep in mind you want to use braid line with dipsies (divers) so they really dig in and move out away from the boat.
Rickerd