In most cases, the total cost falls within a predictable range.Attorney fees typically range from US$8,000 to US$10,000, depending on case complexity and the level of support provided.USCIS filing fees generally range from approximately US$1,300 to US$4,000, depending on whether you choose regular or premium processing.Overall, most applicants can expect the total cost to fall roughly between US$9,000 and US$14,000.