Prepaid, always.
A plan's AI work comes with each month. Upgrade for a busier one.
Nebo is prepaid. Work runs on money you have put in, and nothing more.
A plan's AI work comes with each month. Upgrade for a busier one.
Your employees stop and ask. Nothing runs on money you have not put in.
Open any charge and see what ran.
Set a dollar limit for any single run. Past it, the run stops and the employee reports what it has.
Set money limits for what an employee may spend. Over the limit, it asks you first.