Make a Payment › Mediator Preparation Fee (One party or 1/2 of $150) Image 1 of 1 Mediator Preparation Fee (One party or 1/2 of $150) $75.00 Mediation preparation fee is $150 total. Each party to the mediation will owe 50% or $75. Quantity: Add To Cart Added! Mediation preparation fee is $150 total. Each party to the mediation will owe 50% or $75.