diff --git a/src/components/help/HelpDrawer.tsx b/src/components/help/HelpDrawer.tsx
index 9348a99..9475218 100644
--- a/src/components/help/HelpDrawer.tsx
+++ b/src/components/help/HelpDrawer.tsx
@@ -74,7 +74,7 @@ export function HelpDrawer({ open, onOpenChange }: Props) {
                 </li>
               </ul>
               <p className="mt-2">
-                Each building costs more as you buy more (1.3x per unit). Use <strong>Buy x1/x10/x100/Max</strong> to
+                Each building costs more as you buy more (1.15x per unit). Use <strong>Buy x1/x10/x100/Max</strong> to
                 bulk purchase.
               </p>
             </Section>
diff --git a/src/data/buildings.ts b/src/data/buildings.ts
index 22d6362..0c976a7 100644
--- a/src/data/buildings.ts
+++ b/src/data/buildings.ts
@@ -6,7 +6,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Intern",
     description: "Writes FizzBuzz... eventually",
     baseCost: 15,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 0.2,
     unlockThreshold: 0,
     icon: "☕",
@@ -17,7 +17,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Junior Developer",
     description: "Knows JavaScript. Just JavaScript.",
     baseCost: 400,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 8,
     unlockThreshold: 200,
     icon: "💻",
@@ -28,7 +28,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Senior Developer",
     description: "Has opinions about tabs vs spaces",
     baseCost: 8_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 100,
     unlockThreshold: 4_000,
     icon: "🧑‍💻",
@@ -39,7 +39,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Data Scientist",
     description: "Turns coffee into Jupyter notebooks",
     baseCost: 120_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 1_200,
     unlockThreshold: 50_000,
     icon: "📊",
@@ -50,7 +50,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "DevOps Engineer",
     description: "Automates everything except their own job security",
     baseCost: 2_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 15_000,
     unlockThreshold: 800_000,
     icon: "🔧",
@@ -61,7 +61,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "AI Coding Assistant",
     description: "Hallucinates features into existence",
     baseCost: 40_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 200_000,
     unlockThreshold: 15_000_000,
     icon: "🤖",
@@ -72,7 +72,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Tech Lead",
     description: "Draws architecture diagrams for fun",
     baseCost: 1_000_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 3_000_000,
     unlockThreshold: 400_000_000,
     icon: "📐",
@@ -83,7 +83,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Server Farm",
     description: "404 sleep not found",
     baseCost: 100_000_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 50_000_000,
     unlockThreshold: 40_000_000_000,
     icon: "🖥️",
@@ -94,7 +94,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Cloud Architect",
     description: "Draws diagrams with more boxes than your actual servers",
     baseCost: 10_000_000_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 1_000_000_000,
     unlockThreshold: 4_000_000_000_000,
     icon: "☁️",
@@ -105,7 +105,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Open Source Community",
     description: "10,000 devs mass-producing code",
     baseCost: 1_000_000_000_000_000,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 25_000_000_000,
     unlockThreshold: 400_000_000_000_000,
     icon: "🌐",
@@ -116,7 +116,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Quantum Computing Lab",
     description: "Qubits entangled, code compiled in parallel universes",
     baseCost: 1e18,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 500_000_000_000,
     unlockThreshold: 4e17,
     icon: "⚛️",
@@ -127,7 +127,7 @@ export const BUILDINGS: BuildingDefinition[] = [
     name: "Galactic Dev Network",
     description: "A civilization of coders spanning the Milky Way",
     baseCost: 1e21,
-    costMultiplier: 1.3,
+    costMultiplier: 1.15,
     baseProduction: 10_000_000_000_000,
     unlockThreshold: 4e20,
     icon: "🌌",