# Tea AppStore - Investments

This tab serves as your all-in-one hub for overseeing your [bonding curve investments](/_3_token/bonding-curve-tokens.md). Effortlessly monitor, purchase, and sell your holdings, all within this user-friendly interface.

## Open investments tab

{% tabs %}
{% tab title="Phone" %}
![Pasted image 20231217152021.png](/files/noDnRgQ1WFQnuigcd0wc)
{% endtab %}

{% tab title="Web" %}
![Pasted image 20231217152101.png](/files/GnpEK7n3e3POJ5jPHL5v)
{% endtab %}
{% endtabs %}

## Buy / sell token

![Pasted image 20231217152326.png](/files/3PVp4EGPa9nRoMVSc48i)

Begin by entering the quantity of tokens you intend to buy/sell, and the system will automatically calculate the corresponding amount of TEA tokens you will need to pay/receive. For a deeper understanding of bonding curves and their calculations, refer to [our wiki page on bonding curve calculation](https://github.com/tearust/teaproject/wiki/TApps-List#tapp-token-strategy)

![Pasted image 20231217152545.png](/files/juVmn6lDiONmEXmlC3av)

In contrast to top-up/withdrawal operations that involve layer1 (Ethereum) and require time for confirmation, this transaction is conducted at layer2, providing swift execution in approximately 3 to 4 seconds. Note that, due to the delay in syncing up the hosting node state, you may observe changes in the account balance within the next 10 seconds.


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