It's recommended to rent a car for the trip to visit these different theme parks conveniently. Ride-sharing services are also available, but it may add up to the transportation costs. Budget around $20-30 per day for the car rental.
If you have more time, consider visiting other theme parks like Epcot and Hollywood Studios.
If you have less time, consider combining a few theme parks into one day, but keep in mind that it might be tiring.