This website has plenty of good examples: https://www.spanishdict.com/guide/adjective-placement
This is just one important example to remember:
- Limiting Adjectives
Limiting adjectives that define a number or amount of a noun, even if it is not specific, come before the noun.
Check out these examples of limiting adjectives.
examples
Los niños quieren ocho helados. The children want eight ice creams.
Tengo menos dinero que mi hermana. I have less money than my sister.
Hay pocas naranjas este verano. There are few oranges this summer.
Tienes suficiente tiempo. You have sufficient time.
Check out more examples, including the one above, here: https://www.spanishdict.com/guide/adjective-placement