Fill up the Basket full of fruits and sell them for RS gold

You can be a fruit seller by selling Basket full of fruits and make more RS gold.

Source: Wikia

Selling Fruit Basket can give you more RS gold

Some players use fruits to recover their health points, others use them as ingredients in other foods using Cooking skill. MEMBERS can grow fruits with the use of Farming skill. You can even sell the fruits when they are fully grown at the Grand Exchange for Rs gold.

Fruits can be put in an empty basket which can be carried up to five fruits. Empty basket can be bought using Rs gold at the farming shops or you can craft it which requires level 36 Crafting skill. You can also buy it at the Grand Exchange.

If you want to earn by selling fruits, it is suggested that you need to know or research all the prices since sometimes the RS gold prices are a bit unstable.  Buy either apples or oranges – 5 for each basket. Then buy a lot of basket. Fill up all the baskets with fruits, after that sell them at Grand Exchange. By doing this, will make you more RS gold just within an hour.