I have an interview at Best Buy...Helppp!!!?

Ok I realllyyyy need this job its on tue...I'm pregnant and my dad is gonna flip when he finds out and he will kick me out soo I need help so I can p this interview with flyin freakn colors like foreal...please help and what dept should I say other than geek squad that makes the most bc I need to start savin like 200 each month till I'm due in feb..and I'm not goin 2 say I'm prego at tha interview bc I will be working long enough till I start showin...so I guess I'm askin for fulltime so I can get paid time off...but yeah if y'all can help me ace this interview it would be super awesome thankss everyone and how much should I ask for I live in dallas