General Discussion

One cost estimate: $88B - $315B a year

A new report from the American Immigration Council, an immigration rights research and policy firm, estimates that to deport even one million undocumented immigrants a year would cost over $88 billion dollars annually, for a total of $967.9 billion over more than ten years.
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There would likely be less tangible and more indirect costs of a mass deportation effort as well. Inevitably there would be ripple effects throughout the economy. In 2022 alone, undocumented immigrant households paid $46.8 billion in federal taxes and $29.3 billion in state and local taxes, according to the report, and "undocumented immigrants also contributed $22.6 billion to Social Security and $5.7 billion to Medicare."
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long article with more details: https://abcnews.go.com/Politics/trump-mass-deportation-program-cost/story?id=115318034 (I guess this was from before ABC decided to kiss his Imperial ass.)