How much do they charge for the parking?

It's $22.

Daily parking Fees Per Vehicle Prime Parking: $35 RV/Bus Parking: $25 Regular Parking: $22

It's $20 for general parking, $30 dollars for preferred parking, and valet can cost up to $50.

25 dollars

You dont pay if you are going to universal citywalk.

$22 for general

45$ valet.