Filing charges published in the USCIS fee schedule, project administrative fees, professional and accounting fees for the source-of-funds work, and later the I-829 filing.
The investment is the largest number but not the only one
Hypothetical example: The qualifying capital is currently $1,050,000, or $800,000 where the investment is in a targeted employment area or an infrastructure project under the 2022 Reform and Integrity Act, and these figures should be re-verified because programme terms change. Around them sit several other costs. USCIS charges for the investor petition, for the immigrant visa or adjustment stage, and later for Form I-829 are published in the fee schedule.
Regional centre projects normally charge a separate administrative fee that is not part of the qualifying capital. Professional costs are significant for a farm family because the source-of-funds work spans decades of records and several asset sales, and it often requires an accountant as well as a lawyer. Budget also for translation where documents are not in English, and for the possibility that a request for further evidence extends the professional engagement.