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Cabot cheddar--great cheese. Chicken sausages in various forms, generally non-antibiotic. In the freezer section, I've had my eye on a 3-pound bag of sockeye, indiv. wrapped in 4-oz. portions, for 8 bucks a pound (but haven't invested yet). Sam Adams Boston Lager, Becks. Kronos Pita (big package), organic free range chicken broth, and a weird spinach dip that's actually good. Poland Spring water in large quantities if you live on Long Island and don't quite trust the tap.

I like the bakery stuff, cookies ,croissants, the cheese Danishes, pies, cakes.

Is it worth it to join Costco when it's just my BF and I?

I haven't had anything bad from Costco. I used to go a lot with my mom when I lived at home.

I'm with Jerzee: The rotisserie chicken is great. And so are the Ravioli's! Mmmm

@Jerzee: Shut up! They have Cheesecake Factory Torte there?! I think I want a membership just for that reason!!

ok, don't eat it but Stretch-Tite plastic wrap is a superior product. America's Test Kitchen thought so also. Install the zipper thingy on the box, makes life so much easier.
cheese, glorious cheese........Tillamook extra sharp cheddar, and there is a Cabot Habanero, very yummy HOT
Mrs. May's snack stuff, all natural nut + seed concoctions
nuts
cereals
pickles
condiments
and the non edibles; paper products, etc. are large quantities but at a much lower cost.
and agree w/ 1stmakearoux, cheaper gas makes it more worthwhile to go.

@butrflygirly--It's only my husband and myself, and we think it's worth it. Not just for the food, but all the other stuff, like gas, hubby's contact lens stuff, booze, rx, electronics, etc.

It seems like I've always had a Costco membership. My parents had one, then bought one for me when I went away to school. Even as a single gal, it was worth the cost of membership. Now, I'm married, two dogs, no kids and we go to Costco about twice a month, more if we entertain.

Extra Virgin Olive Oil, organic
Organic LowFat Milk (1%)
Butter (unsalted, quarters)
Philadelphia Cream Cheese
Red bell peppers, $6 for 6 medium sized peppers
Bacon
Baby Spinach
Romaine hearts
English cukes
Coffee
Tea
Sugar
Brown Sugar
Honey
Chicken Thighs or Breasts, vacuumed packed two to a bag, to keep in the freezer
There's a frozen pizza with black olives, onions, and three cheeses that is so good. We keep a box in the freezer for late night munchies or whatever.
And I can't tell you how many times I've been to parties and have seen the hors d' oeuvres from the freezer section of costco--I'm not slamming them, they were tasty.
Oh! we buy these flatbread cracker type things found on the chip aisle. So tasty and goes with a bazillion toppings. Great with hummus. I think it's called Suzie's flatbreads. It's in a red/orange box, with yellow lettering. I noticed there is an organic version from another company, same price, for half as much, but there are lot more seeds and stuff on the crackers...might check it out next.
Jumbo vat of white vinegar for cleaning.
Parm Regg or Grana Padano prices are better than anywhere else.
Pacific Organic Chicken Broth, pantry item, I like to make my own chicken stock, but if I run out, I don't mind using this stuff.
Yes, those frozen cream puffs are good, esp if the center is still super cold, dipped into melted chocolate. I love adding this to a chocolate fondue bar.
Speaking of chocolate bars, the Haagen Dazs ice cream bars.
Ghiradelli brownie mix
Dried Shitake mushrooms
Sun dried tomatoes
Montreal Steak Seasoning
Whole peppercorns
Kosher salt
Canned tomatoes for the pantry

My list is getting ridiculous. I buy whatever I can from Costco. Generally, it's cheaper than anywhere else. I'm also the kind of person who loves to stock up. Nothing makes me happier than a well stocked, well organized, all lables facing out, pantry. Then there's that moment, when my husband will open the pantry doors and say, "God, there's nothing to eat."

Not to go too far off topic, but I just love the Kirkland 550 thread count sheets. Super deep pockets. Fine hand, almost silky. Will wrinkle if you don't remove promptly from the dryer, but otherwise, just lovely.

@wookie: Thanks! I used to love going there with my mom-I know, weird, but what can I say? :) I know I go to the Liquor Store that's in front. Good prices-just like BJ's.

The hot dogs from the snack bar are absolutely delicious. And cheap, of course.

My mom has nicknamed dad the king of costco. We have been very impressed by both the price and quality of the products kirkland produces and the name brand things. Some favorites:
Salmon- fresh and frozen bagged organic
Steaks
Frozen shrimp
Frozen white meat grilled chicken strips
Avocadoes
Kirkland soy milk
cereal
muffins, pies
kirkland storemade granola
sabra eggplant spread
Kirkland lasagna
prepared mandarin chicken salad
tequila lime marinated turkey tenderloin (great on the bbq)
Italian Sausage
Sea Scallops
Brie
Muenster
yogurt
bertoli EVOO
fresh mozzarella
kirkland cookies especially oatmeal raisin and choc chip
Take advantage of free samples and try new products

We don't have a membership anymore, but I LOVED the chicken bakes...though you've got to wonder about a store that's so big and easy to get lost in that they have to feed you while you're there... =)

Costco is great for fresh meat and seafood, plus everything everyone else has already said. They also tend to have great produce. Plus, their customer service can't be beat. My mom bought a set of cookware there and ended up leaving a pot on the stove with beans in it for far too long--needless to say the pot was ruined. She brought it in to see if she could buy an individual pot to replace it, and Costco replaced the entire set at no cost.

welcome to the cult! just kidding-but really we LOVE costco. not just the foodstuffs-which are awesome. they put tons of research into what they buy/grow and have fantastic buyers. costco admits that they are more geared to the "discriminating" buyer than maybe sam's club/bj's which is just about a good deal. they have premium quality stuff for phenomenal prices. We have bought furniture, tv's, appliances, clothes, my husband's glasses, pool supplies, fresh flowers, diapers..need I go on? oh, and my husband & son have been known to go there just for lunch-hot dogs and raspberry smoothies!

When you go, go hungry and have lunch there. As you shop there are tons of free food samples to try.

They have pretty good quality salmon. My family and I love Stacy's Pita chips in mass quantities...and we actually like the CostCo food court! Good deals for sure! And I'm with pjracz10, I love the free samples!

Hillary
Chew on That

Just a couple words of caution: Not everything is at Costco everytime you go - so don't dawdle when you see a great pack of antibiotic free sausage or instant yeast or something! And check prices: for a short period, 25 lbs. of King Arthur flour (love it) was cheaper at the local supermarket. We joined for the flour and sugar - and good cheap cat litter!
I found a wonderful bacon, just like the high-end butcher shops - but they haven't carried it again in over two years. I tried Kirkland - but find most Kirkland products way too sweet - the yougurt is achingly sweet. Even after rinsing and drying the Kirkland bacon, the primary taste was corn syrup.And here in northeastern MA, the meat quality and prices are not so great - I really envy the places with good tri-tip!

My favorites:

Big bags of Phillipine brand dried mangoes -- the perfect health-food "candy"!!!

Their steaks are to die for. We usually buy a whole ribeye for around $100-$120 and get 12-14 huge steaks from it. Vacuum-pack them with a Foodsaver and stock your freezer! The filets are excellent as well.

That huge chocolate cake is worth the whole membership price!

Everything else listed above! Wine, beer, frozen stuff, fresh veggies (although in bulk), kids' school snacks -- the list just goes on and on.

Oh yeah -- it's the perfect place to buy Halloween candy! My husband insists on giving out full-size candy bars. Buying them at Costco is the only way we can afford to do this.

We are probably 30 miles from the Costco here. It's worth the drive! We keep hearing rumours that we're getting one built nearer, but it doesn't seem to be happening. Sigh.

@heidi522---a CASKET??? ~falls off chair, laughing~