diff --git a/app/Http/Requests/EstimatesRequest.php b/app/Http/Requests/EstimatesRequest.php
index f43b7e41..dbc70aa0 100644
--- a/app/Http/Requests/EstimatesRequest.php
+++ b/app/Http/Requests/EstimatesRequest.php
@@ -45,15 +45,22 @@ class EstimatesRequest extends FormRequest
                 'nullable'
             ],
             'discount' => [
+                'numeric',
                 'required',
             ],
             'discount_val' => [
+                'integer',
                 'required',
             ],
             'sub_total' => [
+                'integer',
                 'required',
             ],
             'total' => [
+                'integer',
+                'numeric',
+                'min:50',
+                'max:99999999',
                 'required',
             ],
             'tax' => [
@@ -77,9 +84,11 @@ class EstimatesRequest extends FormRequest
                 'required',
             ],
             'items.*.quantity' => [
+                'integer',
                 'required',
             ],
             'items.*.price' => [
+                'integer',
                 'required',
             ],
         ];
diff --git a/app/Http/Requests/InvoicesRequest.php b/app/Http/Requests/InvoicesRequest.php
index 84b41739..532b69dd 100644
--- a/app/Http/Requests/InvoicesRequest.php
+++ b/app/Http/Requests/InvoicesRequest.php
@@ -45,15 +45,22 @@ class InvoicesRequest extends FormRequest
                 'nullable'
             ],
             'discount' => [
+                'numeric',
                 'required',
             ],
             'discount_val' => [
+                'integer',
                 'required',
             ],
             'sub_total' => [
+                'integer',
                 'required',
             ],
             'total' => [
+                'integer',
+                'numeric',
+                'min:50',
+                'max:99999999',
                 'required',
             ],
             'tax' => [
@@ -77,9 +84,11 @@ class InvoicesRequest extends FormRequest
                 'required',
             ],
             'items.*.quantity' => [
+                'integer',
                 'required',
             ],
             'items.*.price' => [
+                'integer',
                 'required',
             ],
         ];
diff --git a/app/Http/Requests/RecurringInvoiceRequest.php b/app/Http/Requests/RecurringInvoiceRequest.php
index f624156e..17037187 100644
--- a/app/Http/Requests/RecurringInvoiceRequest.php
+++ b/app/Http/Requests/RecurringInvoiceRequest.php
@@ -43,15 +43,22 @@ class RecurringInvoiceRequest extends FormRequest
                 'nullable'
             ],
             'discount' => [
+                'numeric',
                 'required',
             ],
             'discount_val' => [
+                'integer',
                 'required',
             ],
             'sub_total' => [
+                'integer',
                 'required',
             ],
             'total' => [
+                'integer',
+                'numeric',
+                'min:50',
+                'max:99999999',
                 'required',
             ],
             'tax' => [