diff --git a/src/overrides.ts b/src/overrides.ts
index abc67095bd4..9dd394354aa 100644
--- a/src/overrides.ts
+++ b/src/overrides.ts
@@ -53,6 +53,10 @@ class DefaultOverrides {
   readonly XP_MULTIPLIER_OVERRIDE: number = null;
   /** default 1000 */
   readonly STARTING_MONEY_OVERRIDE: integer = 0;
+  /** Sets all shop item prices to 0 */
+  readonly WAIVE_SHOP_FEES_OVERRIDE: boolean = false;
+  /** Sets reroll price to 0 */
+  readonly WAIVE_ROLL_FEE_OVERRIDE: boolean = false;
   readonly FREE_CANDY_UPGRADE_OVERRIDE: boolean = false;
   readonly POKEBALL_OVERRIDE: { active: boolean; pokeballs: PokeballCounts } = {
     active: false,
diff --git a/src/phases.ts b/src/phases.ts
index 9f927b0fcc1..6f4f796cea4 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -5166,9 +5166,11 @@ export class SelectModifierPhase extends BattlePhase {
             this.scene.unshiftPhase(new SelectModifierPhase(this.scene, this.rerollCount + 1, typeOptions.map(o => o.type.tier)));
             this.scene.ui.clearText();
             this.scene.ui.setMode(Mode.MESSAGE).then(() => super.end());
-            this.scene.money -= rerollCost;
-            this.scene.updateMoneyText();
-            this.scene.animateMoneyChanged(false);
+            if (!Overrides.WAIVE_ROLL_FEE_OVERRIDE) {
+              this.scene.money -= rerollCost;
+              this.scene.updateMoneyText();
+              this.scene.animateMoneyChanged(false);
+            }
             this.scene.playSound("buy");
           }
           break;
@@ -5209,7 +5211,7 @@ export class SelectModifierPhase extends BattlePhase {
         break;
       }
 
-      if (cost && this.scene.money < cost) {
+      if (cost && (this.scene.money < cost) && !Overrides.WAIVE_ROLL_FEE_OVERRIDE) {
         this.scene.ui.playError();
         return false;
       }
@@ -5219,9 +5221,11 @@ export class SelectModifierPhase extends BattlePhase {
         if (cost) {
           result.then(success => {
             if (success) {
-              this.scene.money -= cost;
-              this.scene.updateMoneyText();
-              this.scene.animateMoneyChanged(false);
+              if (!Overrides.WAIVE_ROLL_FEE_OVERRIDE) {
+                this.scene.money -= cost;
+                this.scene.updateMoneyText();
+                this.scene.animateMoneyChanged(false);
+              }
               this.scene.playSound("buy");
               (this.scene.ui.getHandler() as ModifierSelectUiHandler).updateCostText();
             } else {
@@ -5301,7 +5305,9 @@ export class SelectModifierPhase extends BattlePhase {
 
   getRerollCost(typeOptions: ModifierTypeOption[], lockRarities: boolean): integer {
     let baseValue = 0;
-    if (lockRarities) {
+    if (Overrides.WAIVE_ROLL_FEE_OVERRIDE) {
+      return baseValue;
+    } else if (lockRarities) {
       const tierValues = [50, 125, 300, 750, 2000];
       for (const opt of typeOptions) {
         baseValue += tierValues[opt.type.tier];
diff --git a/src/ui/modifier-select-ui-handler.ts b/src/ui/modifier-select-ui-handler.ts
index b3718b8854c..b10bcbb18f6 100644
--- a/src/ui/modifier-select-ui-handler.ts
+++ b/src/ui/modifier-select-ui-handler.ts
@@ -10,6 +10,7 @@ import {Button} from "#enums/buttons";
 import MoveInfoOverlay from "./move-info-overlay";
 import { allMoves } from "../data/move";
 import * as Utils from "./../utils";
+import Overrides from "#app/overrides";
 import i18next from "i18next";
 
 export const SHOP_OPTIONS_ROW_LIMIT = 6;
@@ -726,9 +727,10 @@ class ModifierOption extends Phaser.GameObjects.Container {
 
   updateCostText(): void {
     const scene = this.scene as BattleScene;
-    const textStyle = this.modifierTypeOption.cost <= scene.money ? TextStyle.MONEY : TextStyle.PARTY_RED;
+    const cost = Overrides.WAIVE_ROLL_FEE_OVERRIDE ? 0 : this.modifierTypeOption.cost;
+    const textStyle = cost <= scene.money ? TextStyle.MONEY : TextStyle.PARTY_RED;
 
-    const formattedMoney = Utils.formatMoney(scene.moneyFormat, this.modifierTypeOption.cost);
+    const formattedMoney = Utils.formatMoney(scene.moneyFormat, cost);
 
     this.itemCostText.setText(i18next.t("modifierSelectUiHandler:itemCost", { formattedMoney }));
     this.itemCostText.setColor(getTextColor(textStyle, false, scene.uiTheme));