Let me help and guide you on how to resolve your problem, benji-burrell-llc.

Once the billable option is turned on, the checkbox will be automatically selected so the activities will be charged to the customer. To rectify the issue, let's perform some troubleshooting procedures. An outdated cache data in the browser may have caused this unexpected behaviors.

We can start by creating a timesheet through a private window. This mode doesn't save the site data and browsing history. Here are the keyboard shortcuts:

• Google Chrome: Ctrl + Shift + N
• Microsoft Edge: Ctrl + Shift + P
• Firefox: Ctrl + Shift + P
• Safari: Command + Shift + N

If that works, let's clear the cache and Intuit-specific cookies and to delete temporarily internet files. You can also use other supported, up-to-date browsers to be thorough. 

However, if the same thing happens, I recommend contacting our technical supports so we can look into our account setup in a secured session. Here's how to connect with us:

1. Go to the Help icon.
2. Select the Search tab, then click Contact us.
3. Enter a brief description of your issue in box.
4. Hit Continue, then select Call or Chat.
5. Follow the on-screen instructions.

Additionally, here's an article that you can browse to help manage the expenses you incur on your customer's behalf when you perform a work for them: Enter billable time by job in QuickBooks Online.

The Community always has your back. Don't hesitate to visit us again with any concerns or questions you may have. I'll be more than happy to assist you further. Have a great rest of the day.