The number of Prime Credits needed to Book, Reserve or Extend a Featured Agent slot is determined by Optimus algorithm which takes into consideration competition and listing supply, by property type, location, project and more.
As market conditions change, the number of Prime Credits required changes as well to deliver the maximum value for each Featured Agent. As such, some projects or locations will require less Prime Credits while others, more.
To know how many Prime Credits are required for a Featured Agent slot, simply go to AgentNet > Featured Agent. You will be able to see the Prime Credits required displayed in each tile.