If your pricing plans include an unbounded amount of anything, then the unbounded dimension will be abused by some proportion of your users. You will then be ac

If your pricing plans include an unbounded amount of anything, then the unbounded dimension will be abused by some proportion of your users. You will then be accused of a bait-and-switch when you try to correct your initial error. You either need to charge for everything according to usage, place reasonable-and-transparent acceptable use limits on everything, or accept this dynamic.