After I've added expenses and I do a profit and loss on that month my expenses seem to have been entered more than once, giving me a false report?

Greetings, @bizzeebeecleaner!

Let's pull up and review each of your transactions from your Profit and Loss report to determine if it's giving you false information or not.

But first, your reports will only give you the details base on what you've entered into your account. You can read this helpful article to learn more about the details of your reports: Targets vs. Sources Overview.

Nevertheless, here's how you can review each transaction of your expense account from your Profit and Loss report:

1. Go to Reports.
2. Select Profit and Loss.
3. Choose the appropriate report period.
4. Click the amount for your expense account.

Once completed, you'll have to open and review each detail of your expense transactions. You can either edit the amount or delete your expense transaction.

If in case you need some tips and related articles, you can always visit our QuickBooks Online Help Articles page for future reference.

If there's anything else that I can help you with, please let me know in the comment section down below. I'll be always around ready to help.

@bizzeebeecleaner 

The work flow in QB is enter transactions, download banking, match

It sounds like you have entered transactions and when using the banking download you clicked add instead of match, that would make a double entry for the same transaction.  Check to see if that is the issue.