Magic sapling

Magic 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 tree patch."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 1 gp, and item ID 5374.

View on OSRS Wiki

Magic Sapling shows an active flip setup with a margin of +417 gp and 29,150 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 83.4k gp — high margin with healthy liquidity.