"Investment pieces" usually refer to something large or expensive that you plan to keep for a long time. But sometimes investments come in small packages. After going through three cheap, flimsy bottle brushes which quickly broke, I wised up last year, paid a little bit more and gained a trusty sidekick that always reports to duty for bottle and sippy cup cleaning.
Not to go all Dr. Phil on you but he loves to repeat the line about how foolish it is to do the same thing over and over and yet expect a different outcome. But it was probably laziness more than optimism that drove me to keep purchasing a cheap (and cheapo) bottle brush - it was the only one the nearest drugstore sold.
Costing twice as much, but still a modest $8 is the Splash bottle brush (made by Skip Hop) which after more than a year of use I'm happy to report is still going strong.
Do you have any small, inexpensive kitchen tools you could write an ode to?