|485,600 per hour|
1,700 x Mahogany sapling (5,652,500)
Mahogany saplings are used to train Farming. Because it is time consuming and gives little to no experience, planting the mahogany seeds in filled plant pots to grow saplings is often skipped in favour of buying the saplings directly from the Grand Exchange. This opens up an opportunity to grow mahogany saplings for profit. Like all methods involving large amounts of buying and selling, which require a relatively high capital to start, it is recommended to test the market by growing one sapling first to make sure it is profitable.
To plant the seeds in the pots, use one of them on the other with a gardening trowel in your inventory. This produces a seedling. When all the plant pots are filled with seeds, cast Humidify to water them. These watered seedlings will take approximately five minutes to turn into saplings, but this will happen even when banked. Repeating this process quickly will make around 1,700 saplings an hour.
Saplings can also be watered with watering cans instead of Humidify, however this makes the process far more click-intensive and time-consuming.
Please note that mahogany seeds have a relatively low buying limit, so you may want to stock up on them beforehand, or grow several different trees at once.
Once you've finished making the saplings, sell them on the Grand Exchange. Maximise your profit by buying one sapling instantly, and selling all of yours for slightly less than that.
It is strongly recommended to check the live prices on the Grand Exchange before making large investments in any method.
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