The most common and most likely answer to this crossword clue is the 5 letter word GROSZ
G
R
O
S
Z
More clues leading to the result GROSZ
Buddy explains!
The straight part
We know that "one doesn’t buy much in Warsaw" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one doesn’t buy much in warsaw = grosz.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GROSZ mean?
GROSZ noun- A subdivision of currency, equal to one hundredth of a Polish zloty.