diff --git a/src/model/GameState.ts b/src/model/GameState.ts
index daccdb6..79e4084 100644
--- a/src/model/GameState.ts
+++ b/src/model/GameState.ts
@@ -16,6 +16,9 @@ class GameState {
       if (this._resources[rkey].advanceAction !== null) {
         this._resources[rkey].advanceAction(time, this);
       }
+      if (this._resources[rkey].inc > 0) {
+        this._resources[rkey].value += this._resources[rkey].inc * time / 1000;
+      }
     }
   }
 
diff --git a/src/model/resource/IResource.ts b/src/model/resource/IResource.ts
index 7ded881..13db3bf 100644
--- a/src/model/resource/IResource.ts
+++ b/src/model/resource/IResource.ts
@@ -10,6 +10,7 @@ interface IResource {
 
   resourceType: ResourceType;
   value: number;
+  inc: number;
   max?: number;
   cost: { [key: string]: number };
 
diff --git a/src/model/resource/Purchasable.ts b/src/model/resource/Purchasable.ts
index e4bd662..79aeb0b 100644
--- a/src/model/resource/Purchasable.ts
+++ b/src/model/resource/Purchasable.ts
@@ -4,6 +4,7 @@ abstract class Purchasable implements IResource {
   public readonly resourceType = ResourceType.Infrastructure;
   public readonly max?: number = null;
   public value: number = 0;
+  public inc: number = 0;
 
   public clickText: string = 'Purchase';
   public clickDescription: string = 'Purchase';
@@ -20,6 +21,7 @@ abstract class Purchasable implements IResource {
     if (this.max !== null && this.value >= this.max) return;
     if (state.deductCost(this.cost)) {
       this.value += 1;
+      this.purchaseEffect(state);
       if (this._costMultiplier !== null
         && Object.keys(this._costMultiplier !== null)) {
         for (const rkey of Object.keys(this._costMultiplier)) {
@@ -36,4 +38,8 @@ abstract class Purchasable implements IResource {
   public isUnlocked (state: GameState): boolean {
     return false;
   }
+
+  protected purchaseEffect (state: GameState) {
+    return;
+  }
 }
diff --git a/src/model/resource/Religion.ts b/src/model/resource/Religion.ts
index 8e4af0e..68f3462 100644
--- a/src/model/resource/Religion.ts
+++ b/src/model/resource/Religion.ts
@@ -8,6 +8,7 @@ class Religion implements IResource {
   public readonly clickAction: () => void = null;
   public readonly advanceAction: (time: number) => void = null;
   public readonly cost: { [key: string]: number } = null;
+  public readonly inc: number = 0;
 
   constructor (
     public readonly name: string,
diff --git a/src/model/resource/SavingsBonds.ts b/src/model/resource/SavingsBonds.ts
index bff43fd..dc8116b 100644
--- a/src/model/resource/SavingsBonds.ts
+++ b/src/model/resource/SavingsBonds.ts
@@ -14,10 +14,14 @@ class SavingsBonds extends Purchasable {
 
   public isUnlocked (state: GameState): boolean {
     if (this._isUnlocked) return true;
-    if (state.getResource('money').value >= 25) {
+    if (state.getResource('money').value >= this.cost.money) {
       this._isUnlocked = true;
       return true;
     }
     return false;
   }
+
+  protected purchaseEffect (state: GameState) {
+    state.getResource('money').inc += 0.25;
+  }
 }
diff --git a/src/render/DebugRenderer.ts b/src/render/DebugRenderer.ts
index f74fec8..f88e336 100644
--- a/src/render/DebugRenderer.ts
+++ b/src/render/DebugRenderer.ts
@@ -48,8 +48,13 @@ class DebugRenderer implements IRenderer {
           const elV = el.getElementsByClassName('value')[0];
           const elT = el.getElementsByClassName('max')[0];
           elV.innerHTML = this.formatNumber(resource.value, 1);
-          elT.innerHTML = resource.max !== null ? ` / ${this.formatNumber(resource.max, 2)}` : '';
+          elT.innerHTML = resource.max !== null ? ` / ${this.formatNumber(resource.max, 1)}` : '';
           if (this._handleClick) {
+            if (resource.inc > 0) {
+              console.log(`${resource.name} inc ${resource.inc} to ${this.formatNumber(resource.inc, 1)}`); // tslint:disable-line
+              const elI = el.getElementsByClassName('inc')[0];
+              elI.innerHTML = ` +${this.formatNumber(resource.inc, 1)}/s`;
+            }
             const elC = el.getElementsByClassName('cost');
             if (elC.length > 0) {
               elC[0].innerHTML = this.getCostStr(resource, state);