The most common and most likely answer to this crossword clue is the 11 letter word INEXPENSIVE
I've seen this crossword clue in Financial Times
I
N
E
X
P
E
N
S
I
V
E
Buddy explains!
The straight part
We know that "Cheap" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cheap = inexpensive.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 INEXPENSIVE mean?
INEXPENSIVE adjective- Low in price