There's financial harm done by municipalities, counties, and states having to provide services, many of which are mandated by Federal law.
Municipalities, counties, and states should start tracking the immigration status of their services consumers ... not to deny illegal immigrants access, but to accumulate data the quantifies the harm done to states by Federal immigration system, and use that to provide them standing in court lawsuits.
We have a Federalist immigration system where the Federal Government regulates admission, but those persons are released to local jurisdiction for healthcare, shelter, food, and education. Some end up in jail or prison, which is another source of financial harm.

Surely, Florida could place a lien against the White House until they were 100% re-imbursed for their expenses.