AFAIK you can't for that particular contrived example. The article probably mentions the batching of 50 queries just to give you an idea of pricing, not because

AFAIK you can't for that particular contrived example. The article probably mentions the batching of 50 queries just to give you an idea of pricing, not because it works for that example. Still, even in the worst use case for Fauna I find that $7.50 for 2M queries with all the features it offers is still a good price (multi-region, ACID, realtime, FQL, authentication and authorization, etc).