In order to provide a User with unlimited access to resources (i.e. your Admins or an IT professional) without incurring charges, you'll need to create a Plan Template with unlimited access to your space.
Unfamiliar with how to create a Plan Template? Click here to learn more.
Click Plans from the left-hand menu
Click Plan Templates
Click on Add Plan Template on the top right-hand corner of the screen
Give your Plan Template a name and description
Ensure that you disable both of the User visibility toggles to prevent users from adding this Plan Template
Click Free for the price of this Plan Template
Click the Add Item button under 'Included items'
Click on Unlimited Allowance
Select Everything at [your organization] under 'Access to'
Click on Add Item on the top right-hand corner of the screen
When you're satisfied, click Save
You're all set! Now you'll just need to add the Plan to the Admin.
Need more info on the Schedule & Bookings?