diff --git a/src/Models/Concerns/HasSubscriptions.php b/src/Models/Concerns/HasSubscriptions.php
index 14b3fe1..cd7e68a 100644
--- a/src/Models/Concerns/HasSubscriptions.php
+++ b/src/Models/Concerns/HasSubscriptions.php
@@ -106,7 +106,7 @@ public function setConsumedQuota($featureName, float $consumption)
             ->whereFeatureId($feature->id)
             ->firstOrNew();
 
-        if ($featureConsumption->consumption === $consumption) {
+        if ($featureConsumption->consumption == $consumption) {
             return;
         }
 
diff --git a/src/Models/Subscription.php b/src/Models/Subscription.php
index 0a27907..3d88ba5 100644
--- a/src/Models/Subscription.php
+++ b/src/Models/Subscription.php
@@ -110,9 +110,15 @@ public function renew(?Carbon $expirationDate = null): self
         ]);
 
         $expirationDate = $this->getRenewedExpiration($expirationDate);
+        $graceDaysEndedAt = null;
+
+        if ($this->plan->grace_days) {
+            $graceDaysEndedAt = $expirationDate->copy()->addDays($this->plan->grace_days);
+        }
 
         $this->update([
             'expired_at' => $expirationDate,
+            'grace_days_ended_at' => $graceDaysEndedAt,
         ]);
 
         event(new SubscriptionRenewed($this));
diff --git a/tests/Models/Concerns/HasSubscriptionsTest.php b/tests/Models/Concerns/HasSubscriptionsTest.php
index 29cc427..ad72a18 100644
--- a/tests/Models/Concerns/HasSubscriptionsTest.php
+++ b/tests/Models/Concerns/HasSubscriptionsTest.php
@@ -2,6 +2,7 @@
 
 namespace Tests\Feature\Models\Concerns;
 
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Foundation\Testing\WithFaker;
@@ -21,6 +22,7 @@
 use LucasDotVin\Soulbscription\Models\SubscriptionRenewal;
 use OutOfBoundsException;
 use OverflowException;
+use ReflectionClass;
 use Tests\Mocks\Models\User;
 use Tests\TestCase;
 
@@ -427,6 +429,42 @@ public function testModelGetFeaturesFromTickets()
         );
     }
 
+    public function testModelGetFeaturesFromPreviouslyLoadedTickets()
+    {
+        $feature = Feature::factory()->createOne();
+        $subscriber = User::factory()->createOne();
+
+        $reflection = new ReflectionClass($subscriber);
+        $property = $reflection->getProperty('loadedTicketFeatures');
+        $property->setAccessible(true);
+        $property->setValue($subscriber, Collection::make([$feature]));
+
+        config()->set('soulbscription.feature_tickets', true);
+
+        $features = $subscriber->getFeaturesAttribute();
+
+        $this->assertCount(1, $features);
+        $this->assertTrue($features->contains($feature));
+    }
+
+    public function testModelGetFeaturesFromPreviouslyLoadedSubscription()
+    {
+        $feature = Feature::factory()->createOne();
+        $subscriber = User::factory()->createOne();
+
+        $reflection = new ReflectionClass($subscriber);
+        $property = $reflection->getProperty('loadedSubscriptionFeatures');
+        $property->setAccessible(true);
+        $property->setValue($subscriber, Collection::make([$feature]));
+
+        config()->set('soulbscription.feature_tickets', true);
+
+        $features = $subscriber->getFeaturesAttribute();
+
+        $this->assertCount(1, $features);
+        $this->assertTrue($features->contains($feature));
+    }
+
     public function testModelGetFeaturesFromNonExpirableTickets()
     {
         $feature = Feature::factory()->consumable()->createOne();
@@ -805,6 +843,31 @@ public function testItCanSetQuotaFeatureConsumption()
         ]);
     }
 
+    public function testItDoesNothingWhileSettingQuotaIfTheGivenAmountIsTheSameAsTheBalance()
+    {
+        $charges = $this->faker->numberBetween(5, 10);
+        $consumption = $this->faker->numberBetween(1, $charges);
+
+        $plan = Plan::factory()->createOne();
+        $feature = Feature::factory()->quota()->createOne();
+        $feature->plans()->attach($plan, [
+            'charges' => $charges,
+        ]);
+
+        $subscriber = User::factory()->createOne();
+        $subscriber->subscribeTo($plan);
+
+        $subscriber->consume($feature->name, $consumption);
+        $subscriber->setConsumedQuota($feature->name, $consumption);
+
+        $this->assertDatabaseHas('feature_consumptions', [
+            'consumption' => $consumption,
+            'feature_id' => $feature->id,
+            'subscriber_id' => $subscriber->id,
+            'expired_at' => null,
+        ]);
+    }
+
     public function testItRaisesAnExceptionWhenSettingConsumedQuotaForANotQuotaFeature()
     {
         $charges = $this->faker->numberBetween(5, 10);
@@ -908,7 +971,7 @@ public function testItDoesNotReturnNegativeChargesForFeatures()
         $this->assertEquals(0, $subscriber->getRemainingCharges($feature->name));
     }
 
-    public function testItReturnsNegativeBalanceForFeatures()
+    public function testItReturnsNegativeBalanceForPostpaidFeatures()
     {
         $charges = $this->faker->numberBetween(5, 10);
         $consumption = $this->faker->numberBetween($charges + 1, $charges * 2);
@@ -927,6 +990,16 @@ public function testItReturnsNegativeBalanceForFeatures()
         $this->assertLessThan(0, $subscriber->balance($feature->name));
     }
 
+    public function testItReturnsZeroForUnavailableFeatures()
+    {
+        $feature = Feature::factory()->createOne();
+        $subscriber = User::factory()->createOne();
+
+        $remainingCharges = $subscriber->getRemainingCharges($feature->name);
+
+        $this->assertEquals(0, $remainingCharges);
+    }
+
     public function testItReturnsRemainingChargesOnlyForTheGivenUser()
     {
         config(['soulbscription.feature_tickets' => true]);
@@ -943,4 +1016,84 @@ public function testItReturnsRemainingChargesOnlyForTheGivenUser()
 
         $this->assertEquals($charges, $subscriber->getRemainingCharges($feature->name));
     }
+
+    public function testItCanCheckIfSubscriberHasFeature()
+    {
+        $plan = Plan::factory()->createOne();
+        $feature = Feature::factory()->createOne();
+        $feature->plans()->attach($plan);
+
+        $subscriber = User::factory()->createOne();
+        $subscriber->subscribeTo($plan);
+
+        $this->assertTrue($subscriber->hasFeature($feature->name));
+    }
+
+    public function testItCanCheckIfSubscriberDoesNotHaveFeature()
+    {
+        $plan = Plan::factory()->createOne();
+        $feature = Feature::factory()->createOne();
+
+        $subscriber = User::factory()->createOne();
+        $subscriber->subscribeTo($plan);
+
+        $this->assertFalse($subscriber->hasFeature($feature->name));
+    }
+
+    public function testItCanAlwaysConsumeAPostpaidFeature()
+    {
+        $charges = $this->faker->numberBetween(5, 10);
+        $consumption = $this->faker->numberBetween($charges + 1, $charges * 2);
+
+        $plan = Plan::factory()->createOne();
+        $feature = Feature::factory()->postpaid()->createOne();
+        $feature->plans()->attach($plan, [
+            'charges' => $charges,
+        ]);
+
+        $subscriber = User::factory()->createOne();
+        $subscriber->subscribeTo($plan);
+
+        $this->assertTrue($subscriber->canConsume($feature->name, $consumption));
+
+        $subscriber->consume($feature->name, $consumption);
+
+        $this->assertDatabaseHas('feature_consumptions', [
+            'consumption' => $consumption,
+            'feature_id' => $feature->id,
+            'subscriber_id' => $subscriber->id,
+        ]);
+    }
+
+    public function testItSetsAnEmptyExpirationIfThePlanHasNoPeriodicity()
+    {
+        $plan = Plan::factory()->createOne([
+            'periodicity' => null,
+        ]);
+
+        $subscriber = User::factory()->createOne();
+        $subscription = $subscriber->subscribeTo($plan);
+
+        $this->assertNull($subscription->expired_at);
+    }
+
+    public function testItReturnsZeroForCurrentConsumptionWhenSubscriberDoesNotHaveFeature()
+    {
+        $feature = Feature::factory()->createOne();
+        $subscriber = User::factory()->createOne();
+
+        $currentConsumption = $subscriber->getCurrentConsumption($feature->name);
+
+        $this->assertEquals(0, $currentConsumption);
+    }
+
+    public function testItReturnsZeroForTotalChargesWhenSubscriberDoesNotHaveFeature()
+    {
+        $feature = Feature::factory()->createOne();
+        $subscriber = User::factory()->createOne();
+
+        $totalCharges = $subscriber->getTotalCharges($feature->name);
+
+        $this->assertEquals(0, $totalCharges);
+    }
 }
diff --git a/tests/Models/SubscriptionTest.php b/tests/Models/SubscriptionTest.php
index e2cc4bd..730d586 100644
--- a/tests/Models/SubscriptionTest.php
+++ b/tests/Models/SubscriptionTest.php
@@ -343,4 +343,70 @@ public function testModelReturnsOnlyNotCanceledSubscriptionsWithTheScope()
             fn ($subscription) => $this->assertContains($subscription->id, $returnedSubscriptions->pluck('id'))
         );
     }
+
+    public function testModelUpdatesGraceDaysEndedAtWhenRenewing()
+    {
+        $subscriber = User::factory()->create();
+        $plan = Plan::factory()->create([
+            'grace_days' => $graceDays = $this->faker()->randomDigitNotNull(),
+        ]);
+
+        $subscription = Subscription::factory()
+            ->for($plan)
+            ->for($subscriber, 'subscriber')
+            ->create([
+                'grace_days_ended_at' => now()->subDay(),
+            ]);
+
+        $subscription->renew();
+
+        $this->assertDatabaseHas('subscriptions', [
+            'id' => $subscription->id,
+            'grace_days_ended_at' => $subscription->expired_at->addDays($graceDays),
+        ]);
+    }
+
+    public function testModelLeavesGraceDaysEmptyWhenRenewingIfPlanDoesNotHaveIt()
+    {
+        $subscriber = User::factory()->create();
+        $plan = Plan::factory()->create([
+            'grace_days' => 0,
+        ]);
+
+        $subscription = Subscription::factory()
+            ->for($plan)
+            ->for($subscriber, 'subscriber')
+            ->create([
+                'grace_days_ended_at' => null,
+            ]);
+
+        $subscription->renew();
+
+        $this->assertDatabaseHas('subscriptions', [
+            'id' => $subscription->id,
+            'grace_days_ended_at' => null,
+        ]);
+    }
+
+    public function testModelUsesProvidedExpirationAtRenewing()
+    {
+        $subscriber = User::factory()->create();
+        $plan = Plan::factory()->create();
+
+        $subscription = Subscription::factory()
+            ->for($plan)
+            ->for($subscriber, 'subscriber')
+            ->create([
+                'expired_at' => now()->subDay(),
+            ]);
+
+        $expectedExpiredAt = now()->addDays($days = $this->faker()->randomDigitNotNull())->toDateTimeString();
+
+        $subscription->renew(now()->addDays($days));
+
+        $this->assertDatabaseHas('subscriptions', [
+            'id' => $subscription->id,
+            'expired_at' => $expectedExpiredAt,
+        ]);
+    }
 }