Time to deport them, charge them all individually $50,000 + cost of travel home, charge their home country $50,000 (collected through tariffs) and the nation of border-crossing $50,000 (again, collected through tariffs).

Once Trump gets into office, give them a 3-month warning so they can self-deport without prejudice. Then round 'em up.

Send a notice to county Sheriff's that if they request manpower, the US military will provide a platoon of soldiers that the US will train & pay and the Sheriff's will deputize to work within their county as Sheriff's deputies. Count the time in service and bonus pay for the soldiers. Bypass Posse Comitatus and solve the manpower issue. All servicemen who volunteer for this service get a $25,000 business startup benefit (call it GI Bill 2) when they get out of the service (in addition to the regular GI Bill).