The most common and most likely answer to this crossword clue is the 4 letter word LEGO
L
E
G
O
More clues leading to the result LEGO
- Jerry-built, nothing put on at the top
- Building toy stage, round
- Toy lightsaber Ewoks gave Obi-Wan initially
- Toy Story’s endless love
- Blocks stars in group drinking gallons
- Heartlessly fire children’s entertainer
- Construction materials impounded by sensible government
- Small bricks on top of one
- Toy Story’s central character on stage
- Small bricks drop, dumping tons
Buddy explains!

The straight part
We know that "built without spending much" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case built without spending much = lego.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 LEGO mean?
LEGO noun- Any of several small, coloured, plastic bricks made by the Lego Company that can be made to join together and be taken apart, used to construct toy buildings, vehicles, etc.