> For the complete documentation index, see [llms.txt](https://athome-1.gitbook.io/athome-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://athome-1.gitbook.io/athome-docs/tabs/cost.md).

# Cost

Costs can be linked to the budget in order to estimate whether an expense will fit within the allocated budget.

To manage your budget <a href="/athome-docs/management/budgets.md" class="button secondary">go to Budget</a>

You can add costs to your change. It can be :

* Time cost
* Fixed cost
* Material cost

{% hint style="warning" %}
A cost cannot be added once the problem has been closed or resolved.
{% endhint %}

***

## Add a cost

* To add a cost, click on **Add a new cost**
* You must add the information you wish :
  * **Name**;
  * **Budget**: select the dedicated budget (For more details, see [Budget](/athome-docs/management/budgets.md));
  * **Begin date**;
  * **End date**;
  * **Duration**;
  * **Time cost**;
  * **Fixed cost**;
  * **Material cost**;

![View cost](https://2965217165-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBk8u0TPogHtiUd7DaQyf%2Fuploads%2Fgit-blob-cf6a5a13ae2ff0d93881ae48e7206714d85d3c94%2Fadd_cost_item.png?alt=media)

If you enter a budget, this expense will be deducted from the budget in question

{% hint style="info" %}
You can modify a cost later once it has been validated.
{% endhint %}

***

## Delete a cost

* To delete a cost, you need to click on it;
* The information appears in the top insert;
* Click on **Delete permanently;**

![View cost](https://2965217165-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBk8u0TPogHtiUd7DaQyf%2Fuploads%2Fgit-blob-6544863e0d8babf187e559987265e88953206452%2Fdelete_cost_item.png?alt=media)

If you enter a budget, this expense will be deleted from the budget

{% hint style="warning" %}
Once deleted, you will not be able to go back, you will have to enter the cost manually again
{% endhint %}