30 ways to save money. The 8th will shock you!

1. Don't buy new if you can buy used. This applies to almost everything, but particularly to cars, clothes, and shoes. (Possible exceptions: socks, underwear, 0% financing.)
2. Never buy the name brand if you can buy the generic. Unless you have coupons for the name brand which will bring it below the price of the generic. (Definite exceptions: Q-tips.)
3. If you are shopping for more than one person, JOIN A WHOLESALE CLUB. If you drink, make sure it's a wholesale club with a liquor store attached. 
4. Carve out some storage in your home so that you CAN buy in bulk and take advantage of sales. This goes for everything from toilet paper to frozen chicken. Again - if shopping/cooking for more than one person, give serious thought to a stand-alone freezer. 
5. Already shopping at thrift shops, Goodwill, Savers? Great. Sign up for email promotions, or shop based on the tag colors. 
6. Take the bulk food you bought. Prep as much of it as you can, as much as you can. Freeze it in that freezer you got. On a night when you'd be inclined to order take out, pull convenience food out your freezer, and bless your past self for being so thoughtful. 
7. Work out an arrangement to share any subscription-based services with family & friends. Split Amazon Prime, Hulu, Netflix, Spotify. Buy them a beer, Paypal them money, I don't care, but there's no need for anyone to foot the whole bill for any of these services.
8. If. You. Do. Not. Need. The. Item. Now. Or. In. The. Next. 3. Months. Do. Not. Buy. It. Even. If. You. Have. A. Coupon. Coupons are a little bit of a racket (see #2).
9. If you are going to buy something biggish online, ALWAYS look for a coupon first. Can't find one? Leave the item in your cart overnight. Firstly, you need to sleep on it, secondly, if you're signed in, they'll frequently email you a coupon code the next day. 
10. Don't ever buy anything from Bed Bath & Beyond without a coupon. 
11. If at all possible, do your own haircuts/manicures/pedicures. (Possible exceptions: if you get a major sense of relaxation out of having these done for you, then keep going to someone else.)
12. Have as much as possible taken out of your paycheck before it even gets to you. Taxes, flexible spending, retirement: don't ever even give yourself the option of having those funds. Tithing? Donating to charity? Write those checks early in the month or year so that money is GONE and you aren't tempted to hold it back. Taxes not getting withheld? PREPAY.
13. Credit cards: only worth having if you 1. can pay it off monthly or 2. use only for life & death. You do need to build credit. Pay it off bi-weekly if that's easier. But if you can't pay it off, STOP USING IT.
14. Get used to your local library. Tempted to buy new books, movies, music? GO TO THE LIBRARY. They don't have it? Most will get it for you. Still love the media after enjoying the free version? Budget for a used copy.
15. eBay, eBay, eBay. Looking for something particular? Get it here. Broke? Take a look around your house. Guaranteed you have something you don't need that someone else is looking for. Safe bets include: specialized kitchen equipment, name brand clothes/shoes/accessories, electronics.
16. Need something like a mattress or a piano for free? Create an alert on SearchTempest.com (searches local Craiglist ads). 
17. Time is money. Like I said with #11 - unless the time spent is rejuvenating you, it might not be worth it. (Notable example: vegetable gardening, bread baking, DIY repairs.) 
18. It's better to spend time and money on good nutrition, supplements, drinking enough water, sleeping enough, flossing, exercise, etc., than it is to wind up at the doctor or dentist. I have learned this the hard way. 
19. Eating questionable leftovers is a good way to get food poisoning. Which ends up being lost time (#17) and doctor visits (#18), so hard pass on that one. When in doubt, throw it out. 
20. Speaking of cars: good options that are easy to find used and don't require billions of dollars repairs are Volkswagens, Volvos, and Subarus. And mini-vans. You're not that cool anyway, don't worry about it.
21. If you have an airline or gas-station you are loyal to, join the rewards program.   
22. Join the loyalty programs for the area grocery stores; watch the flyers. While the wholesale clubs are generally a better bet, the local stores may have one-time deals on harder to find items, or meat. 
23. When you put money into savings, tell yourself it's gone. Tell yourself you cannot have it. It is there for life & death. Same with the retirement funds. DO NOT TOUCH.
24. If someone buys you something you do not need or want: RETURN IT. Take the money. Buy something you do need or want. Send a warm thank-you note anyway. Is there anything sitting around your house waiting to be returned? It's like a pile of money sitting there. Get rid of it. Donate it if you can't return it. Take the tax write-off. 
25. Don't hesitate to negotiate with big service providers (tv, phone, internet, electric). Smaller service provider? Some will provide a cash discount, but if you need written records or a warranty/guarantee, this generally isn't worth it.
26. If you must buy new clothes: Kohl's basically pays YOU to shop there. Also, outlets: by the time you add in the coupons, the in-store promotions, and possibly credit card offers, you're doing pretty well.
27. If you have a skill or an aptitude for something (i.e. can do it quickly and well) like cleaning, beekeeping, or changing oil, then do that thing yourself to save money, or barter it to a friend in exchange for something else. 
28. Make do with less. It's good for you. Help someone else out. You can. 
29. You don't deserve to live in a major city right out of college. That is not your birthright. You can do it, but in exchange for being able to save. 
30. Suck it up - don't go out to eat, invite your friends over. Suck it up - get used to being the person with the old car and no car payment. Suck it up - thrift shop clothes are cool now anyway. Suck it up - drink at home. Suck it up - while your friends are going on extravagant vacations, you are at home rolling on a pile of money.