[Yaelle]

Forget deportation trains! Fine the employers and even jail a few! When the jobs dry up, the illegals will deport themselves.

[DHC-2]

Deport the employers.

[JennysCool]

When the jobs dry up, the illegals will deport themselves.

Exactly. Americans might even learn to mow their own lawns again.

[Pa' fuera]

When the jobs dry up, the illegals will deport themselves.

You underestimate the staying power and the propensity for getting around the rules that is a defining characteristic of the illegal alien population. They'll all just become independent contractors, or exploit some other such loophole.