1) Your state does not require employees to get any lunch breaks; it's up to the employer whether to grant time for lunch or not.2) Hourly employees must be paid for ALL time worked, including time that is theoretically "at lunch"--if they're working, it is work time, and is therefore compensible.3) There is no exception to minimum wage for paying in cash or under the table. 4) If your husband works 9 hours/day, 5 days/week, his working 45 hours per week and must be paid overtime (time and a half) for 5 yours per week.So, your husband is earning $300/week, when in fact he should be paid 40 hours per week at $7.25/hour, or $290, and another 5 hours each week at $10.87 per hour, or another $54.35--he should be paid $344.35 or so per week, and is being shortchanged by at least $44/week. He could file a wage and hour complaint with the state or federal department of labor to get back wages and overtime for up to the last 2 years of work under this arrangement.