if the search mode button worked correctly you could pull up many threads on the transportation issues.
did you check out the sticky above? it has some info in it i believe.
ways to UO from disney
1. car rental
2. town car service
3. taxi/cabs
4. Mears shuttle
5. #50 lynx bus to sw, transfer to another and walk a few blocks from drop off
if you rent a car, you have the cost of rental and garage parking.
if you use town service, depending on which company you use, could be $35/50
advantage is you determine time pick ups.
taxi, good way but go when it is not rush hour. mileage and time count on the meter.
mears, call the night before to reserve a seat. it is $14 pp round trip. you are picked up at your disney hotel and dropped off at UO.
mears schedule is limited. i believe they have 2 morning and 2 evening times for pick up and drop offs.
the bus is $1.50 but it will take you over 1.5 hours to commute one way.
cheap but not worth the aggravation