To maximize ROI, buyers should look for tiered pricing structures where bulk orders of 1,000+ units can reduce the unit cost by 20-35%. Consider OEM/ODM services that offer integrated branding (laser engraving or silk-screen printing) at the factory level, as this is significantly cheaper than local post-processing. Furthermore, evaluate the packaging volume; compact, lightweight retail packaging can drastically lower international air freight costs, which often account for a large portion of the total landed cost.