The most common and most likely answer to this crossword clue is the 7 letter word CHEAPIE
I've seen this crossword clue in The Guardian
C
H
E
A
P
I
E
More clues leading to the result CHEAPIE
- Desire heading off to get a bit of food that isn't expensive
- Energy-packed tea with cooked item — it’s not expensive
- Inexpensive tea and pastry-dish earl tucks into
- Shortly cook a pastry dish that’s not expensive
- An easy thing to follow repairing halves of each item knocked down?
- Could start old car that is something economical
- Fellow takes direction that is not so costly
Buddy explains!

The straight part
We know that "it’s not expensive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s not expensive = cheapie.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 CHEAPIE mean?
CHEAPIE noun- An item which is inexpensive.
- An item of poor quality.
- A person who is stingy, a cheapskate.
- Cheap; inferior.