[Home](./index.md) > [bitburner](./bitburner.md) > [Hacknet](./bitburner.hacknet.md) > [purchaseNode](./bitburner.hacknet.purchasenode.md)
## Hacknet.purchaseNode() method
Purchase a new hacknet node.
Signature:
```typescript
purchaseNode(): number;
```
Returns:
number
The index of the Hacknet Node or if the player cannot afford to purchase a new Hacknet Node the function will return -1.
## Remarks
RAM cost: 0 GB
Purchases a new Hacknet Node. Returns a number with the index of the Hacknet Node. This index is equivalent to the number at the end of the Hacknet Node’s name (e.g The Hacknet Node named `hacknet-node-4` will have an index of 4).
If the player cannot afford to purchase a new Hacknet Node then the function will return -1.