So you couldn't get another tier 1 even if you cancelled your remaining 2?I hope others try this because I felt like I must be doing something wrong. I know Sunday I got to the screen that showed I could pick another time but don't think I ever clicked it to see that it then wouldn't actually let me get one. But I kept trying - the one I had booked only one for I tried booking 2 more and then cancelling them in case you had to have and cancel and still couldn't get another Tier 1 (in the same park - I had no trouble getting one in another park). If others find the same thing I agree it makes sense to book all 3 in advance if you plan to stay in the park. Seems like booking 1 or 2 would only be helpful if you then were parkhopping. I'll try again either this weekend or next week but hoping others test it in the meantime!
Say I am at Epcot have TT, Nemo and Pixar Films. Use TT but cancel other 2, I can't get TT again?