I created the account using my boss's name and email id. can i change the username and email id? will it not affect the credit card auto payment?

I'll share some information about managing your Intuit login information, pagsanjan.

In QuickBooks Online (QBO), you can change your email address, user ID, and password. Changing these details won't affect your credit card auto payment unless you update your payment information.

Here's how you can change your username and email ID:

1. Sign in to the Intuit Account Manager. Use your sign-in info for QBO.
2. Select the Sign in & security menu.
3. Click the User ID and Email address section.
4. Make your changes and hit Save.

For further information about updating your Intuit sign-in information, check out this link: Update or change your Intuit Account sign-in information.

Regarding your other question, when using a Simple Start plan, you can use your boss's email ID as an accountant user since you can invite up to two accountants to access your account.

Moreover, refer to this article to update or change your payment method: Update billing, payment, and subscription info in QuickBooks Online.

I'm still all ears if you have additional questions about managing your login information. Just comment below, and I'll get back to help you.