You can also purchase them online so you don't have to wait in line.
There are kiosks all over the park for both express passes and lockers
Yes, you can also purchase individually (for separate rides) at locker rental kiosks near rides.
Yes, look for discounts on line.
Yes. Fast pass yes
Yes you can just don't do it the same day sometimes the emails are delayed
Thanks! Your answer is awaiting moderation.