Sure that would be the employer decision.
yes
They will, then they will make you pay them back.
Legally, though local laws may vary, the employer can require the employee to report to work in a uniform without providing any assistance to the employee to acquire that uniform. Ethics of this situation are debatable. Ultimately, either you want to work there or you don't.
Yes, they can require you to purchase and wear certain clothing for your job. They will give you this information before you accept the job to ensure you are capable of providing the correct clothing requirements.
no
Yes.
No, it is illegal for an employer to make a waitress pay for a dine and dash. It is the responsibility of the employer to cover any losses from such incidents.
The employer can never use your pay. YOU can be compelled to use your paid time ( a gift from the employer) for days you do not work. The employer can make any rule it wishes about that.
Employees do the work that generates the profits which allow their employer to pay taxes. But you will not find a deduction on the employees pay stub which reads, this amount deducted from your pay to cover your employer's business tax.
Yes
no
no