On Sole Trader and Simple Start - looks to be no way of entering bills from suppliers.

Hello, Macro! It's nice to have you back in the Community! I appreciate your interest in using QuickBooks for your business needs. I'll gladly share which of our products will let you enter your bills and manage your expenses accordingly.

You can use QuickBooks Simple Start for MTD (Making Tax Digital) to electronically submit returns to HMRC. However, the cheapest product you can utilize to manage your bills is QuickBooks Essentials. Visit this page to learn more about the detailed information of each plan: Plans and Pricing.

Whenever you're ready to subscribe, follow these steps:

1. Go to our QuickBooks Plans & Pricing page.
2. Select the plan that best suits your business needs. Then, click the Choose plan button. 
3. Decide if you'll add payroll (optional). 
4. Follow the on-screen instructions to complete the process.

Additionally, I recommend checking out this article to help you get started: Adjust settings after you sign up for QuickBooks Online. It offers valuable insight and steps to optimize your settings with QBO.

If you have any more questions or need further clarification about QuickBooks and its features, please feel free to click the Reply button. I’m always here to help! I wish you all the best, Macro. Have an amazing day ahead!