Some of you have a far different definition of “easy” than I do, but I’ve got one: I’ve actually seen shakers of cinnamon and sugar for sale at the grocery store. Just cinnamon. And sugar. Premixed in a plastic jar with the spices.
Tabasco sauce. Cook red chili peppers, vinegar, water and salt for a few minutes; run them through a blender until you form a thin sauce. Bottle it. And it tastes 1,000 times better than Tabasco brand sauce.
No. That isn’t Tabasco sauce by a nautical mile. It’s a hot sauce, but it ain’t Tabasco.
Meth. Why buy it when you can synthesize your own using precursor and a Winnebago?
Pico de gallo salsa.
Chop half a medium white onion and four roma tomatoes until they are small enough to fit in a blender. Add a clove of garlic and the juice of one half of a lime. Add one teaspoon of salt and half teaspoon of cumin. Pulse blend to desired consistency.
If you prefer hotter salsa, slice a couple hot peppers lengthwise. Remove stem and seeds and discard. Throw the peppers in the mix to blend up too.
If you prefer the finished pico to be thicker, just simmer in a pot for a few minutes to boil off some water.
So much better than the stuff from a jar.
iPhones. I mean seriously, $899? Pfffft. A little sand from the backyard yields silicon and glass, you can easily fabricate the case from leftover pop cans using your blast furnace and CNC machine, and after that, it’s just a matter of soldering some components together and coding up an operating system and some apps while you wait for your smelted materials to cool.
Great character!
Joe: No matter how far technology advances it’s still just a bunch of wires connected to other wires.
Beth: So what’s wrong with it?
Joe: I can’t seem to find any wires.
I make my own molding for the house. A router and a tablesaw is all that’s needed.
The poster child…
http://thecouponboutique.com/wp-content/uploads/2015/02/ChangsRice.jpg
Yup, for one, Tabasco Sauce is barrel aged.
I don’t get it. Is the rice fully cooked but cold so you have to. . . steam it in a microwave? Is it raw and needs to be cooked? WHAT IS THE MEANING OF THIS?
Cooked rice freezes really well. Reheating frozen rice in the microwave is quicker and easier than cooking rice on the stove or in a rice cooker.
Curtains.
If you can use scissors, a ruler, an iron, and a sewing machine, and you can follow a marked straight line with all of them, you can have custom-made curtains of your chosen fabric, size and pattern for about half the price you’d pay for even the cheapest, crummiest, ugliest curtain panels at a big-box store. (And about one-tenth the price you’d pay for getting curtains commercially custom-made.)
Throw some basic arithmetic skills onto the requirements list as well, I guess.
Nobody’s mentioned grated cheese yet?
Likewise for pre-minced garlic, pre-chopped onion, and pre-cut fruit slices.
A friend of mine (who does NOT cook) enjoys making cocktails - her bar contains a bottle of store-bought simple syrup (which can be made by simply dissolving sugar in water in a saucepan.)
Guacamole.
In Alton Brown terms, the hardware is one knife, a bowl and a fork. For software, you need one or more avocados, some salt and one or two limes. Lemon will work, but lime is better.
Split the avo(s), ditch the pits, scoop out the flesh and mash with fork. Salt to taste, add lime juice for flavor and as a theoretical defense against browning. Around me, it doesn’t stay around long enough to have a chance at going brown. 
ETA: Once you’ve picked the avocados off a tree in your backyard and gone on to eat them minutes later, you’ll wonder why pre-fab guac exists at all.
I think you’ve assuming a lot in terms of sewing machine ownership and skill.
There are only two of us here now, and it’s so much easier to just buy food pre-made, even if it is pricey. Beef stroganoff, enchiladas, chinese food, soup - if I went out and bought all the ingredients for a dish, it would cost far more for the ingredients than for a couple of ready-made servings. Same with the salad bar, I have lettuce at home but I like more than a slice of tomato, so I will fill up a container with little odds and ends, lasts a couple of salads. I don’t have several containers of spices sitting around to make my own chili powder, and even if I do, it doesn’t taste the same as the packaged we’ve been eating for 40 years. (I will, on occasion, make cookies or cakes or puddings from scratch because they’re better, but of course I have to have the ingredients on hand. But basic things. Exotic cakes and pies, I will buy them and pay full price, if it costs $15 I would spend almost that much to get ingredients to make them.) What I DO make at home that is inexpensive and much better than store bought is bread. White bread, crusty no-knead bread, seedy bread. It doesn’t keep as long because no preservatives, but it’s really good, and not hard to make. Even in a bread machine.
True you need a sewing machine. Skill-wise, it’s about as easy as sewing gets, if all you want is a drapery panel. Just hem it. Hem it around a piece of blackout backing, if you wanna get fancy.
I don’t make it often but homemade custard for banana pudding is so easy and a million times better than pudding in a box.