With hard-earned money and a hand-to-mouth existence, Non-resident Indians have more to worry about than their Indian counterparts do. And besides, it is believed that this money brings luck and wellness so might as well keep it. By reusing plastic bags, organizing the pantry and cupboards, freezing milk, and keeping lettuce fresh for longer you will save some money and even make you life a bit easier. For example, many ice vending machines auto-bag or pre-bag the ice for the consumer. " Don't Forget Back-up Sources It is also suggested that, whatever type of energy source you choose, you should have a battery bank and back up generator available as well.