I believe in the creator, the fiber artist. When you, they, all are deadlined, there is more and more pressure to "produce". Often that production can be not ones best, not received well. Of course the consumer, the club person had the right, expectation to receive xyz shipments for xyz money. Make it a schedule that weeks for all! Heres to your creative best, and to all those who will carry on your creative spirit with the materials you give them.
I can't do a lump sum. Monthly is much more manageable.
Monthly payments would be preferred.
I think monthly payments are a bit more budget friendly.