There are a wealth of blogs on the web offering super useful tips to save money while travelling (“eat cheap street food!”) but those are mainly for people with morals, concern for the welfare of others and a basic sense of decency.
Click on the link for my top ten cheap travel tips for scumbag backpackers.
http://travel.willjackson.com.au/2012/10/21/scumbag-backpackers-top-ten-cheap-travel-tips/