#1 Don't eat near, or in a major tourist attraction! Foods and drinks tend to be double as the normal price!
http://www.disneydining.com/category/disney-dining-plan/j
#2 Don't exchange money in the airport! You will get the worst exchange rates!
https://i.ytimg.com/vi/l-cpr_yoHhU/maxresdefault.jpg
#3 Don't skip the local tourist office! They can give you excellent tips!
http://www.sheridan.ie/wp-content/uploads/2011/09/advice1.jpg
#4 Don't skip travel insurance! It may seem a waste of money, but you never know what can happen...
http://www.travelours.net/wp-content/uploads/2015/09/top-travel-insurance-companies.jpg
#5 Don't wear snickers or open shoes, in some countries showing your toe can be considered disrespectful, it can also help prevent cuts on your toe!