Tropes that deal with objects having different worth in different situations, cultures and technological levels.
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!!Subtropes include:

* BetterOffSold: Video game items that players sell because better items are readily available.
* BeautifulCondemnedBuilding: A character falls in love with a derelict building.
* DownInTheDumps: Rubbish tips and scrapyards can often hide some pretty useful and/or valuable goods for those willing to search through them.
* DumpsterDive: Fishing useful items out of the garbage can.
* EdibleTreasure: A treasure hoard turns out to be food.
* ExcaliburInTheRust: A powerful or legendary sword that only appears to be in poor condition.
* GrailInTheGarbage: A priceless object is on sale for cheap at the flea market.
* KidsPreferBoxes: A child ignores a valuable item and prefers the box it came in.
* MundaneLuxury: A character is overjoyed at small, simple pleasures.
* MundaneObjectAmazement: A character finds an everyday object amazing.
** MysteriousCubeOfRubik: A character is confused and intrigued by a Rubik's Cube.
* MundaneSolution: Simple solutions to complex problems.
* NotRareOverThere: Something is scarce in one place but common in another.
* PricelessPaperweight: A precious object is used for an incredibly mundane purpose.
* ShopFodder: Video game items whose only purpose is to be sold for money.
* SolidGoldPoop: A living creature's bodily waste is a precious substance.
* WhatAPieceOfJunk: A vehicle that looks shoddy but works surprisingly well.
* WhatDoYouMeanItsPhlebotinum: A normal Earth substance is valuable AppliedPhlebotinum to aliens.
* WorthlessYellowRocks: A valuable substance is discarded as worthless by those not in-the-know.

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