Priced per unit; vendors typically quote against a primary quantity around 1 unit.
Vendors source from the same overseas catalogs but mark up the base unit, the decoration, and the freight separately. Ask for the catalog item number and quote the same decoration to compare fairly.
Yes, but it should be one time per logo and per method, not repeated per color or on a reorder of the same art.
Related variants of this product are tracked as separate benchmark lines. Match the spec before comparing quotes.