If you've been researching how to open a US bank account as a non-resident, you've probably read articles that make it sound simple. Sign up, upload your passport, done in 24 hours. Then you applied to Mercury and got rejected. Or Relay approved you and then closed your account six weeks later. Or Wise told you your country isn't fully supported. Or you spent $400 forming an LLC and got your EIN — only to discover banking is the hardest part nobody warned you about. You'r