Many businesses find automating the sending of receipts upon payment essential for efficiency and customer satisfaction, MMHOANC.

This feature is available as long as you sign up for QuickBooks Payments. To learn more about this one, check out this article: Receive And Process Payments In QuickBooks Online With QuickBooks Payments. If you don't use QuickBooks Payments, we can manually download the receipts and email them to your customer. Here's how:

1. Go to the Sales tab and select All Sales.
2. Choose Money received under the Type drop-down menu.
3. Locate the Payment transactions you want to send, then click View/Edit.
4. Click the Print menu. 
5. On the Print preview screen, tap Download. 
6. Once done, email the downloaded PDF to your customer.

We encourage sending a feature request directly to our Product Development team to help us improve the features of the program. Here's how:

1. Go to the Gear menu and then select Feedback.
2. Type in your feature request in the description box.
3. Once done, click on Next.

You can check out this article to help you remind customers about invoice due dates to ensure they pay on time: Send Reminders Automatically or Manually.

Moreover, you can refer to this article to learn more about customer statements, summary of customer's invoices, payments, credits, and outstanding balances: Create and send customer statements in QuickBooks Online.

The Community always has your back if you need assistance managing your sales transactions or any QuickBooks-related concerns. We'll be here to help, MMHOANC. You have a good one.