Technical question here. Can I copy a TP and paste it at a different date of my upcoming trip or do I have to rebuild from scratch if I swith park dates ? Also, if I am still uncertain of which park I’ll visit on which day, can I have multiple preliminary TPs for the same date (ex: one for MK and one for AK) ?
Thanks ! 
Yes. Once copied you’ll be able to change the date or any details. You’ll need to “Evaluate” the plan once you change the date.
Yes. You give them different titles to distinguish them. I often have multiples of the same day to see if rearranging something or having a TS lunch somewhere severely alters anything.
Awesome, thank you so much !!!