Where the drip lands under the car — front, middle, or back — narrows this down before you even open the hood.
Drips are dark brown/black
Puddle forms overnight, parked
The most common source of a slow oil drip on cars over 60,000 miles.
Often from a filter that wasn't seated or tightened correctly at the last change.
More involved to fix, usually confirmed once gaskets are ruled out.