There are many things we think are necessities, but when we get right down to it, it wouldn't kill us to live without them which means they are luxuries. Evaluate where your money is going by writing down everything you spend your money on for an entire month. Then decide if the places your money is disappearing to are really that important.
Here are some starters:
Even if you go a couple months without some of the luxuries and save for those months you'll be better off than if you hadn't.