Randstad review: Employee treatment

I was offered a job at randstad sent offer letter went through the process of filing out paper work get to last page to submit my paperwork it kept giving me an error I called and emailed tryinging to get this fixed kept getting told they would call me back I had a job I put a notice in to take this job they told me everything was good so i quit that job finally the comes for training to start but I cant start because my paper work is not done I finallty get a branch manager to call me back oh im sorry that job has been closed you back ground was not back in time i cant do nothing about that but i have a job making 2 dollars less Ill put you there. 2 dollars less than what i was making at the other company how can they get away with this I dont want to accept it but I have no income they force your hand