English words: FRUGAL
People can be "cheap", "frugal", or "frivolous".
Objects & activities can be "cheap" or "frivolous".
This video explains the differences.
The word cheap can sometimes be referring to PRICE, while other times referring to QUALITY.
You need to understand the context in which the word is used.
"That's cheap for a ____." (price)
"That's a cheap ____." (probably quality)
"That ____ is cheap." (either)
"My brother is cheap. " (He doesn't like to spend money. )
"My plumber is cheap." (His fees are low.)