Take a look  at the EPCOT food and wine festival menus before you go. This will allow you to pick out your favorite food and drink items. Knowing which booths you want to visit will save you a ton of time once you get into the parks.
As discussed visit on weekdays and try to avoid Friday and Saturdays when possible.
Stay late when possible as most of the crowds have gone home by then. We love to skip dinner and grab different bites right before the fireworks as wait times are usually minimal.
Share dishes when possible. We find that the EPCOT food and wine festival is a multi day event if you are trying to taste as many food and drink items as possible. Not only will sharing allow you to do so, but it will also help if you're on a budget!
Florida can be extremely hot for guests visiting in September and early October. Be sure to stay hydrated and take advantage of the AC when you can. Many countries such as America and Canada have cultural films you can watch and out new fan favorite the Beauty and the Beast sing along in France!