Extra shipping fees for large or heavy items
Some products, like canvases, are larger than simple prints. As such, your shipping costs may be a bit higher. Sunshine allows you to add extra shipping fees on a per-product basis just for cases like this. When adding or editing a product, find the “Extra Shipping Fee” (or just “Shipping” in older versions) field and add an amount. This amount will transparently be added to the Flat Rate shipping option. This means users will not see a separate indicator that the product has extra shipping costs, they will just see a single Flat Rate shipping fee.
Note this does not apply to Local Delivery or Pickup shipping options since you would not incur any additional costs for this type of shipping method.