The most common and most likely answer to this crossword clue is the 8 letter word BARGAINS
I've seen this crossword clue in The Daily Telegraph
B
A
R
G
A
I
N
S
More clues leading to the result BARGAINS
Buddy explains!
The straight part
We know that "they’re cheap at the price" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they’re cheap at the price = bargains.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 BARGAINS mean?
BARGAINS noun- An agreement between parties concerning the sale of property; or a contract by which one party binds himself to transfer the right to some property for a consideration, and the other party binds himself to receive the property and pay the consideration.
- An agreement or stipulation; mutual pledge.
- An item purchased for significantly less than the usual, or recommended, price
- A gainful transaction; an advantageous purchase.
- The thing stipulated or purchased.