Form I-864, Affidavit of Support
The same few things, over and over — and every one of them is a completeness problem the software checks for before your packet is marked ready.
Watch for
Counting the household wrong — the form’s counting rules, not intuition
Income evidence that does not match the tax return
Not adding a joint sponsor when income is short
Forgetting that the obligation is a real contract, not a formality
Form I-864
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