Lot's of people spend a ridiculous amount of money buying expensive coffe. Just make it home :S
Wow Simple idea, but that makes a positive financial effect.
And a lot of peoples spend their money in gambling. betting which is a big lost of money. and many people spend money for drugs, if they become little sensible and save those money they can save huge amount of money.
but all need well power and self control,. and everyone have not.