I've checked this Reddit sub over the years and it is a child-buying sub that uses coded messages. But it refers to kids as certain types of vegetables or mentions pizza, and posts mentioning money always quote a price between $13,000 and $17,000.

The buyer codes are very cryptic, and the sub throws in nonsense posts just to hide the real posts among the crowd.

In some past posts they identified hotels in conjunction with where the transaction would take place, and had other features making it clear that pizza was involved in some vague location.