need job related advice

So my stepsister got a job for me, at a restaurant she works at, as a dishwasher, I could start tomorrow. As far as I heard, the conditions are horrid there. I don't know the pay and I don't know the hours.

At the same time, I sent out job applications to various stores to work there.

Should I gamble and hope that the stores answer me, or should I jump up on my sisters offer?