I traded my phone to have the money in my bank acc...

I traded my phone to have the money in my bank account. Nearly 1 month no Money. I did called back the trade department, they told me the money will be in my account by the 1st of may. Called back they said by the end of the week. On friday i called back the trade department they said i need to wait until the 10th or 14th of May. It supposed to be 10 days to be in my account. Waste and never trade again my phone