Use 'long on' to emotionally highlight that someone has a lot of a certain quality.

Emotional Emphasis

Often paired with 'short on' to contrast abundance and lack in different qualities.

Paired Contrast

Can be a nuanced way to praise, focusing on one's strengths while acknowledging limits elsewhere.

In finance, 'long on' implies a belief in the future growth or success of an asset.

When investors are 'long on' something, they may hold it for an extended period.

Can specify a particular industry or sector when discussing investments.