We’ll file this one next to “what kinds of products keep places like Best Buy in business”?
Today we’ll simply focus on fluids.
1)LCD screen cleaner – How selfless of them to offer everything you need in an easy to use kit? Too bad it’s just a microfiber cloth, isopropyl alcohol, and distilled water. You can make a gallon for 3% of that price.
2) Shredder oil – Paper shredders are an excellent way to fight identity theft. The action of shredding paper generates a large amount of dust that is detrimental to the life of the printer. Big box stores sell a lubricant for this purpose. I don’t know if I’d want to stir fry with it, but according to lifehacker, this product is canola oil placed in a different container.
We’ve all heard the cheapest day for airline ticket purchases, for which there has been no definitive ruling about the mythical master mainframe of all airfares that mystically opens up pumpkin coach-class seats at midnight on a Wednesday.

If you’re not French-pressing, you’re shortchanging yourself.