You're planning on pulling in $25k in profit each month and yet you're only going to pay your employees $8.00?  These are the people who will make or break your business.  For $8 an hour you're telling the employee that you don't give a fuck about them and that they shouldn't give a fuck about you or your business.  With such a shit wage, you'll probably have high turnover, people calling in on shifts a lot, and people stealing shit from you.