Dion,
21 is a whole lotta Teal, especially for just starting to carve. I tip my hat to you. They look Good.
I've made different rigs for different hunting styles, you might do the same thing. My rigs are solid & hollow pine or cedar, black cork, tan cork and Canvas covered decoys. For the mashboat I use 2 black cork Giant Canada's and 11 or 12 puddle ducks from Teal up to larger. Depends on what birds are in the area. When Ringneck ducks are around I add one or two of them. Switch decoys out as the season progresses. The 2 geese and Coots work just fine also. The weight of the decoys balance the boat making it much more stable to use and paddle.
I used to have to drag my marshboat a helluva long way to the mash edge. Rain & snow made it much easier, dry ground is a PITA. My rig is in bushel baskets, except for the geese. I stash the baskets in brush to hide until I return to shore. It's much easier making many trips than dragging the fully loaded boat that's for sure. Much of my hunting is done when other hunters have called it a day.
Over many years of using my decoys I have found a Few well made decoys far out draw plastic decoys of all kinds. Stick with your hand made decoys and you will find out what ya should do to lighten the load. Less is more.
Best regards
Vince