I cant seem to send invoices or estimates? it tells me they are sent but nothing in my sent folder or recived

I've got your back, @info-fesfireands.

The invoices or estimates you send to your customers will not sync with your personal email account. To receive a copy of invoices or any transactions you send to them, you can add your email address in the Cc, Bcc fields, or select the Email me a copy option.

Let me show you how:

1. Navigate to the Gear icon and choose Account and Settings.
2. In the Sales menu, go to the Messages section. 
3. Check the Email me a copy at option and input your email address in the Copy (Cc) or Blind copy (Bcc) fields. 
4. Hit Save and then Done. 

Also, in QuickBooks personalising your sales forms is a breeze, to guide you on how, please head to the customise form templates page at this link. 

Feel free to post here again if you have further concerns about managing your invoices and estimates in QuickBooks. I'm always here to help you. More power to your business.