Is the a bus to universal studios?

Yes

Yes there is a bus and other forms of complimentary transportation to universal studios

Is the bus included for hotel guests or is there a fee?

Yes there is. Every hour on the hour or upon request

Yes but I believe that the last bus run is prior to the normal park closing time so you may be out of luck if you want to stay till close.

Yes there is a bus to use.

Yes, there is.

There is a bus schedule for you to usevery helpful and very accommodating