When is it practical to ship by sea? Can I get a lower shipping price by doing this?
This really depends on the product you are shipping. Ocean shipping can often lead towards huge savings, however, does come at its disadvantages.
The basic rule of the thumb is, air shipping is faster and more expensive (great for small-sized products) and sea shipping is less expensive and slow (ideal for larger shipments).
Always consult our customer support team if you have a specific question regarding your product. Also note, the validation report will give you an estimated pricing table of various shipping methods across various order quantities.