I have no doubt you believe that some of these things you simply can't live without, but if you try hard you can see through it.
Here are the 5 things people common say they can't save on because it's stuff they needs:
1. Cell Phone
There is no doubt that you need to be able to communicate with people. Here are some solutions to make it less expensive. You could have a friend take calls for you. This is helpful if you are waiting on calls from an employer, or if it's something really important. If you don't need to be certain you pick up all the time. I recommend you get a google phone number. You can get messages and make phone call 100% for free. I know you can show off your cool new smart phone, but you will be saving sometimes up to $100 monthly.
Everyone needs housing, that is definitely a need. There are somethings you can do to decrease the amount you are spending on house. Maybe you could take on a roommate, you could move to a smaller space, you can move in with your parents. If you are desperate you can move into your car, I did this to save money for tuition for college.
You need to be creative here. Most people employed several strategies to save on gas during their high school days. Try to get a ride from a friend, determine if getting a smaller car is right for you, try going shopping only once a week, try to scope out the cheap gas in town.
I think most people are getting over their need for cable television. I currently don't buy any entertainment system other then watching a couple of shows on Hulu. If you really want to live the lavish entertainment livestyle then getting netflix can be a cheap alternative.
There are a number of ways to save on groceries whether it's buy using coupons, going to a expiration date bread store, making in expensive meals and really stretching leftovers. Here's a good article to get your brain going.
25 ways to lower your grocery bill