Then you'll have to get some Mexicans to write the bill; us gringos are fat and lazy, if you hadn't heard, and won't do certain jobs, especially those that involve hard work.
http://pewhispanic.org/reports/report.php?ReportID=61
About 7.2 million unauthorized migrants were employed in March 2005, accounting for about 4.9% of the civilian labor force. They made up a large share of all workers in a few more detailed occupational categories, including 24% of all workers employed in farming occupations, 17% in cleaning, 14% in construction and 12% in food preparation.