It depends on where someone is coming from. There are no tolls on I-4 or I-95 in Florida, but I-95 has some tolls in some other states. The OP should look check
http://www.i95exitguide.com/tolls/index.php
The Publix store at Publix at 2925 International Drive in Kissimmee has permanently closed.
It's been replaced by a brand new Publix store at Water Tower Shoppes, 29 Blake Blvd, Celebration, FL 34747.
Another Publix store that's convenient to Walt Disney World is at Regency Village Shopping Center, 8145 Vineland Ave, Orlando, FL 32821.