Vector Marketing Career, is it a scam?

Vector Marketing Career, is it a scam?
I have a job interview with Vector Marketing tomorrow. This is the summary of their job, which I found on craigslist.com:

Looking for representatives to start asap. No experience needed.
-It is face-to-face interactions with customers, explaining products, answering questions, etc.
-Simple work but rewarding
-Very flexible schedules
-There is no telemarketing or door-to-door
-Customer sales/service

-Easy around classes, other job, family commitments
-Part time work can be as little as 5 hours a week
-Good pay with a flat rate that is not based on sales
-Filling positions on a first come first considered basis

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