Add a priced option for each way you can ship this stock — a small parcel rate, a pallet rate, a freight rate, or collection at $0. Buyers choose one at checkout, so large orders can take a different method from small ones.
Buyers will see that freight is quoted separately. Agree the carrier and cost with them after the sale — only the goods and any handling fee are charged at checkout.
StockFlow's platform fee is charged on the goods subtotal only — never on your shipping or handling.