I was considering to use Amazon Fulfillment for Summon The JSON decks. However, it occurred to be very expensive. My customers are fine to wait a couple of days

I was considering to use Amazon Fulfillment for Summon The JSON decks. However, it occurred to be very expensive. My customers are fine to wait a couple of days. They can also choose fast manufacturing, to get decks faster. I don't fell I miss anything by not selling or fulfilling by Amazon.