Childcare Needed - Full-time / Part-time

We are looking for a reliable and safe-minded babysitter for 6-year-old twins in Palm Beach Gardens. We would prefer a babysitter who has their own car, who does not smoke, who is comfortable with pets and who is CPR certified. And clean driving record. She must be extremely reliable. Involves 8 days a month : drop off kids at school 8 a.m. and pick them up at 3:30 and care until 8 p.m. Sleep over (no work hours but we pay a flat fee) in case of emergency. Ideal for a college or graduate student. Also interested in a more mature nanny type as well. Main thing is reliability.