I worked at McGuire Research Services (Less than a year)
They let you set your own schedule and as long as you can work hard you will be able to work as much as you want.
There were not any cons really at all
I applied in-person. The process took 1 day. I interviewed at McGuire Research Services (Las Vegas, NV).
You have to be able to read. And don't bother wearing anything nice. Hygiene also seems to be optional. And don't expect any additional perks if you don't flirt with the floor supervisors.
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