Pineapple sapling

Pineapple Sapling is a members-only item on the OSRS Grand Exchange in the seeds category.

In-game examine text: "This sapling is ready to be replanted in a fruit tree patch."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 1 gp, and item ID 5500.

View on OSRS Wiki

Pineapple Sapling shows an active flip setup with a margin of +115 gp and 13,005 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 23.0k gp — high margin with healthy liquidity.