Where we do most of our duck and goose hunting in N.D. we'll do a variety of different ways. Much of the time we start scouting the general areas of big and smaller sloughs we hope to hunt, jumping some ducks that present themselves on the smaller sloughs.
We'll try setting up decoys a few times each trip on certain bigger sloughs usually where we know there will be ducks and geese traveling between big water and feed in the mornings and toward late afternoon.
Setting up decoys in combined wheat fields for geese and northern ducks can be a blast the first hour or so, especially if there is a light ground fog calling them in and seeing them appear out of the mist locked in.
We've gone to mostly silhouet geese decoys and some shells for that, so not as expensive.
We stay flexible and as long as it's legal and won't spoil it for others, we enjoy each of those methods. The dogs love it anyway they can get it to go out after the downed birds.