Originally posted by Disney845
I agree that 1 day/1 park tickets are all that you need. In regards to the possibility of going for 2 days...when you purchase your 1 day ticket or before you leave the MK that day, you can inquire about purchasing a "bounce-back" ticket (may be called something else at your time of purchase). This will also only be a 1 day/1 park ticket (no park hopping allowed) and must be used with 4 days of the original ticket. It will save you only marginally, $5, but it is better than nothing. This type of ticket is only available at the gates, and can not be purchased in advance or over the phone.