Yes. Once you have completed your Open Water Course you can continue your diving adventure with any other scuba training organization. The Open Water qualification is recognized by all scuba training agencies.
Yes. You can click onto online theory training or e-learning with PADI and complete your classroom requirements before the start of your course. Padi e-learning does have a $170.00 fee (this gives you a password to access the Padi Open Water Manual online whenever you wish).