That's why your numbers are phoney and over-inflated hogwash.
We're talking about securring the borders of our own country with guards and walls against civilian invaders.
We're not talking about stopping an armed military force equipped with front-line battle tanks.
Who are you trying to fool, here?
95% of the USPS shuts down at 5PM and doesn't work weekends. Are you assuming that the illegal aliens will simply take evenings and weekends off?