Your software is INFURIATING

I respect your decision to explore alternative options, Ralius. I understand the importance of adding new items and editing descriptions in your invoicing workflow, including terms and conditions. I'm here to clarify the maximum limit of characters in the Notes field and your concern with the product definition. 
 

The character limit for QuickBooks Desktop is 4095, while for QuickBooks Online, it's 1000. For now, save a PDF file of your Terms & Conditions. Then, add it as an attachment in the system. Please have a look at the attached sample for a visual guide.

I acknowledge how this functionality can benefit your workflow. We are constantly looking to improve our product based on our user's needs, and your input is invaluable in this process. I recommend providing feedback about your experiences and ideas. 

Here's how to send it:

1. Go to the Gear icon, then choose Feedback.
2. Type in your experiences and suggestions. 
3. Select Next to submit.
    

Meanwhile, you can create new items and descriptions on the Products & Services page. Modifying this directly on the Invoice page is possible. 
 

Moreover, you might want to learn how to manage your products, items, and invoices effectively. For comprehensive guidance, check out the following articles:
 

• Change product and service item types.
• Set price rules.
• Record invoice payments.

I appreciate your feedback and acknowledge your contribution towards improving our product. With the workaround provided, rest assured you can achieve your goal. I'm always here to help if you need further assistance with this.

@Ralius  Unfortunately, QBO is inferior to QuickBooks Desktop in every possible way except the ability to access it with your phone and it is only getting worse. Sadly, QBO appears to be Intuit's favorite child at the moment.

Also unfortunately, you'll find that the support staff here are exactly on par with your experiences thus far.

@ShyMae  "We are constantly looking to improve our product based on our user's needs, and your detailed input is invaluable in this process."

Have you considered reading anything that has ever been posted on this forum? Apparently not, given that people do give feedback here, and despite your support staff's constant affirmations that you 'acknowledge what they're saying', said feedback goes ignored for years on end.