Hi . I’ve been paid an invoice and it’s marked as deposited, why has the invoice total been added as profit and as also added it as an investment.

Good day, @jonj1978@googlem.

How your transactions are posted depends on how you record them on QuickBooks Online (QBO). 

Once you create an invoice, it will automatically reflect on your Profit and loss report. This depends on the accounting method that you choose. 

If you filter the report on an accrual basis, this will show all of your unpaid invoices. If on a cash basis, only the paid invoices will reflect on the report.

It's also possible the investment account you're referring to might be selected as an income account on your product/service item. This is the reason why it's affecting its balance. 

To check, you can review the item that you use in your sales menu. Here's how:

1. Go to Sales and select Product and services.
2. Look for the item, then click Edit.
3. In the Income account section, review the income account that you've used and make sure to select the correct one if you need to.
4. Click Save and close.

Additionally, I'm adding this resource as a good reference to learn more ways how to handle and customise your invoices: Customise invoices, estimates, and sales receipts in QuickBooks Online. 
 

Please keep in touch if there's anything else I can do to help you succeed with QuickBooks. I've got your back.