diff --git a/app/Console/Commands/CheckData.php b/app/Console/Commands/CheckData.php
index 17c8b764a62b..fcb09b295f33 100644
--- a/app/Console/Commands/CheckData.php
+++ b/app/Console/Commands/CheckData.php
@@ -291,8 +291,8 @@ class CheckData extends Command
 
         foreach(Client::cursor() as $client)
         {
-            $invoice_balance = $client->invoices->where('is_deleted', false)->sum('balance');
-
+            $invoice_balance = $client->invoices->where('is_deleted', false)->where('status_id', '>', 1)->sum('balance');
+            
             $ledger = CompanyLedger::where('client_id', $client->id)->orderBy('id', 'DESC')->first();
 
             if($ledger && number_format($invoice_balance, 4) != number_format($client->balance, 4))
@@ -346,16 +346,20 @@ class CheckData extends Command
     {
         $wrong_balances = 0;
         $wrong_paid_to_dates = 0;
-
+        
+        //todo reversing an invoice breaks the check data at this point;
+        
         Client::cursor()->each(function ($client) use($wrong_balances){
 
             $client->invoices->where('is_deleted', false)->each(function ($invoice) use($wrong_balances, $client){
 
                 $total_amount = $invoice->payments->sum('pivot.amount');
                 $total_refund = $invoice->payments->sum('pivot.refunded');
+                $total_credit = $invoice->credits->sum('amount');
+
                 $total_paid = $total_amount - $total_refund;
 
-                if($total_paid != ($invoice->amount - $invoice->balance)) {
+                if($total_paid != ($invoice->amount - $invoice->balance - $total_credit)) {
                     $wrong_balances++;
 
                     $this->logMessage($client->present()->name . " - " . $client->id . " - balances do not match Invoice Amount = {$invoice->amount} - Invoice Balance = {$invoice->balance} Total paid = {$total_paid}");
@@ -382,13 +386,24 @@ class CheckData extends Command
             $invoice_balance = $client->invoices->sum('balance');
             $invoice_amounts = $client->invoices->sum('amount') - $invoice_balance;
 
+            $credit_amounts = 0;
+
+            foreach($client->invoices as $invoice)
+            {
+                $credit_amounts += $invoice->credits->sum('amount');
+            };
+
+
+            /*To handle invoice reversals, we need to "ADD BACK" the credit amounts here*/
+            $client_paid_to_date = $client->paid_to_date + $credit_amounts;
+
             $ledger = CompanyLedger::where('client_id', $client->id)->orderBy('id', 'DESC')->first();
 
-            if($ledger && (string)$invoice_amounts != rtrim($client->paid_to_date, "0"))
+            if($ledger && (string)$invoice_amounts != (string)$client_paid_to_date)
             {
 
                 $wrong_paid_to_dates++;
-                $this->logMessage($client->present()->name . " - " . $client->id . " - client paid to dates do not match {$invoice_amounts} - " .rtrim($client->paid_to_date, "0"));
+                $this->logMessage($client->present()->name . " - " . $client->id . " - client paid to dates do not match {$invoice_amounts} - " .rtrim($client_paid_to_date, "0"));
                 
                 $this->isValid = false;
 
diff --git a/app/Console/Commands/DemoMode.php b/app/Console/Commands/DemoMode.php
index b878949ce901..e468b3f1c6eb 100644
--- a/app/Console/Commands/DemoMode.php
+++ b/app/Console/Commands/DemoMode.php
@@ -86,7 +86,7 @@ class DemoMode extends Command
 
     private function createSmallAccount()
     {
-        $this->count = 100;
+        $this->count = 10;
 
         $this->info('Creating Small Account and Company');
 
diff --git a/app/Helpers/Email/InvoiceEmail.php b/app/Helpers/Email/InvoiceEmail.php
index adac32f6682f..49c7630bbe06 100644
--- a/app/Helpers/Email/InvoiceEmail.php
+++ b/app/Helpers/Email/InvoiceEmail.php
@@ -45,9 +45,9 @@ class InvoiceEmail extends EmailBuilder
         if (iconv_strlen($subject_template) == 0) {
             if ($reminder_template == 'quote') {
                 $subject_template = trans(
-                    'texts.invoice_subject',
+                    'texts.quote_subject',
                     [
-                        'invoice' => $invoice->present()->invoice_number(),
+                        'number' => $invoice->number,
                         'account' => $invoice->company->present()->name()
                     ],
                     null,
@@ -55,9 +55,9 @@ class InvoiceEmail extends EmailBuilder
                 );
             } else {
                 $subject_template = trans(
-                    'texts.reminder_subject',
+                    'texts.invoice_subject',
                     [
-                        'invoice' => $invoice->present()->invoice_number(),
+                        'number' => $invoice->number,
                         'account' => $invoice->company->present()->name()
                     ],
                     null,
diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index c3128d5a3ded..fb60aa94864f 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -198,7 +198,6 @@ class Invoice extends BaseModel
     public function payments()
     {
         return $this->morphToMany(Payment::class, 'paymentable')->withPivot('amount', 'refunded')->withTimestamps()->withTrashed();
-        ;
     }
 
     public function company_ledger()
@@ -216,6 +215,10 @@ class Invoice extends BaseModel
         return $this->hasManyThrough(Backup::class, Activity::class);
     }
 
+    public function credits()
+    {
+        return $this->hasMany(Credit::class);
+    }
     // public function credits()
     // {
     //     return $this->belongsToMany(Credit::class)->using(Paymentable::class)->withPivot(
diff --git a/app/Services/Invoice/AutoBillInvoice.php b/app/Services/Invoice/AutoBillInvoice.php
index cc8ec5f8d66b..d76c5033dcdd 100644
--- a/app/Services/Invoice/AutoBillInvoice.php
+++ b/app/Services/Invoice/AutoBillInvoice.php
@@ -42,6 +42,8 @@ class AutoBillInvoice extends AbstractService
         if(!$this->invoice->isPayable())
             return $this->invoice;
 
+        $this->invoice = $this->invoice->service()->markSent()->save();
+
         if($this->invoice->balance > 0)
             $gateway_token = $this->getGateway($this->invoice->balance);      
         else
@@ -70,12 +72,12 @@ class AutoBillInvoice extends AbstractService
 
         if($payment){
             
-            $this->invoice->service()->toggleFeesPaid()->save();
-            
+            $this->invoice = $this->invoice->service()->toggleFeesPaid()->save();
+
         }
         else
         {
-            //autobill failed
+            //TODO autobill failed
         }
 
 
diff --git a/app/Services/Invoice/HandleReversal.php b/app/Services/Invoice/HandleReversal.php
index 2bb5a43cc8a9..5fd0a3f52c36 100644
--- a/app/Services/Invoice/HandleReversal.php
+++ b/app/Services/Invoice/HandleReversal.php
@@ -45,6 +45,7 @@ class HandleReversal extends AbstractService
             return $this->invoice;
         }
 
+        /* If the invoice has been cancelled - we need to unwind the cancellation before reversing*/
         if($this->invoice->status_id == Invoice::STATUS_CANCELLED)
             $this->invoice = $this->invoice->service()->reverseCancellation()->save();
 
diff --git a/app/Services/Invoice/InvoiceService.php b/app/Services/Invoice/InvoiceService.php
index 40d587733b2a..10b6ba0a8438 100644
--- a/app/Services/Invoice/InvoiceService.php
+++ b/app/Services/Invoice/InvoiceService.php
@@ -182,9 +182,11 @@ class InvoiceService
     {
 
         $this->invoice->line_items = collect($this->invoice->line_items)
-                                     ->where('type_id',3)->map(function ($item) {
+                                     ->map(function ($item) {
 
-                                            $item->type_id=4;
+                                            if($item->type_id == 3)
+                                                $item->type_id = 4;
+                                            
                                             return $item;
 
                                       })->toArray();
diff --git a/app/Services/Invoice/MarkPaid.php b/app/Services/Invoice/MarkPaid.php
index 8ae30079c316..76591becad86 100644
--- a/app/Services/Invoice/MarkPaid.php
+++ b/app/Services/Invoice/MarkPaid.php
@@ -42,6 +42,10 @@ class MarkPaid extends AbstractService
             $this->invoice->service()->markSent();
         }
 
+        /*Don't double pay*/
+        if($this->invoice->statud_id == Invoice::STATUS_PAID)
+            return $this->invoice;
+
         /* Create Payment */
         $payment = PaymentFactory::create($this->invoice->company_id, $this->invoice->user_id);
 
diff --git a/app/Services/Invoice/TriggeredActions.php b/app/Services/Invoice/TriggeredActions.php
index e14017fdcc7d..8b807031e825 100644
--- a/app/Services/Invoice/TriggeredActions.php
+++ b/app/Services/Invoice/TriggeredActions.php
@@ -45,11 +45,11 @@ class TriggeredActions extends AbstractService
     {
 
         if($this->request->has('auto_bill')) {
-            $this->invoice->service()->autoBill()->save();
+            $this->invoice = $this->invoice->service()->autoBill()->save();
         }
         
         if($this->request->has('paid') && (bool)$this->request->input('paid') !== false) {
-            $this->invoice->service()->markPaid()->save();
+            $this->invoice = $this->invoice->service()->markPaid()->save();
         }
 
         if($this->request->has('send_email') && (bool)$this->request->input('send_email') !== false) {
@@ -62,7 +62,8 @@ class TriggeredActions extends AbstractService
     private function sendEmail()
     {
 
-        $reminder_template = $this->invoice->calculateTemplate();
+        //$reminder_template = $this->invoice->calculateTemplate();
+        $reminder_template = 'payment';
 
         $this->invoice->invitations->load('contact.client.country','invoice.client.country','invoice.company')->each(function ($invitation) use($reminder_template){
 
diff --git a/database/factories/CompanyFactory.php b/database/factories/CompanyFactory.php
index 7f60c849b5cc..8d087de9e49e 100644
--- a/database/factories/CompanyFactory.php
+++ b/database/factories/CompanyFactory.php
@@ -10,6 +10,7 @@ $factory->define(App\Models\Company::class, function (Faker $faker) {
         'ip' => $faker->ipv4,
         'db' => config('database.default'),
         'settings' => CompanySettings::defaults(),
+        'is_large' => true,
         'custom_fields' => (object) [
             //'invoice1' => 'Custom Date|date',
             // 'invoice2' => '2|switch',
diff --git a/resources/views/index/index.blade.php b/resources/views/index/index.blade.php
index c67d7d8cb590..0f79a0238a71 100644
--- a/resources/views/index/index.blade.php
+++ b/resources/views/index/index.blade.php
@@ -5,7 +5,7 @@
   <title>Invoice Ninja</title>
   <meta name="report_errors" content="{{ $report_errors }}">
   <meta name="google-signin-client_id" content="{{ config('services.google.client_id') }}">
-  <link rel="manifest" href="manifest.json">
+  <link rel="manifest" href="manifest.json?v={{sha1(time())}}">
 </head>
 <body style="background-color:#888888;">
 
@@ -75,7 +75,7 @@
   <script>
     if ('serviceWorker' in navigator) {
       window.addEventListener('load', function () {
-        navigator.serviceWorker.register('/flutter_service_worker.js');
+        navigator.serviceWorker.register('/flutter_service_worker.js?v={{sha1(time())}}');
       });
     }