diff --git a/01_05_base/terraform.tfvars.backup b/01_05_base/terraform.tfvars.backup
deleted file mode 100644
index b2e0363..0000000
--- a/01_05_base/terraform.tfvars.backup
+++ /dev/null
@@ -1,13 +0,0 @@
-# MAC/LINUX
-# aws ec2 create-key-pair --key-name tf_key --query 'KeyMaterial' --output text > tf_key.pem
-###
-# WINDOWS
-# aws ec2 create-key-pair --key-name tf_key --query 'KeyMaterial' --output text | out-file -encoding ascii -filepath tf_key.pem
-
-aws_access_key = ""
-
-aws_secret_key = ""
-
-ssh_key_name = ""
-
-private_key_path = ""
\ No newline at end of file
diff --git a/02_10_count/main.tf b/02_10_count/main.tf
index f96932b..f05b1e5 100644
--- a/02_10_count/main.tf
+++ b/02_10_count/main.tf
@@ -143,8 +143,8 @@ resource "aws_security_group" "sg-nodejs-instance" {
 }
 
 # INSTANCE
-resource "aws_instance" "nodejs1" {
-  //count = 4
+resource "aws_instance" "node_instances" {
+  count = 4
 
   ami = data.aws_ami.aws-linux.id
   instance_type = var.environment_instance_settings["PROD"].instance_type
@@ -156,6 +156,11 @@ resource "aws_instance" "nodejs1" {
   tags = {Environment = var.environment_list[0]}
 }
 
+resource "aws_iam_user" "iam-users" {
+  for_each = var.iam_accounts
+
+  name = each.key
+}
 
 # //////////////////////////////
 # DATA
@@ -186,5 +191,5 @@ data "aws_ami" "aws-linux" {
 # OUTPUT
 # //////////////////////////////
 output "instance-dns" {
-  value = aws_instance.nodejs1.public_dns
+  value = aws_instance.node_instances.*.public_dns
 }
\ No newline at end of file
diff --git a/03_07_custommodule/terraform.tfvars.backup b/03_07_custommodule/terraform.tfvars.backup
deleted file mode 100644
index d4e057a..0000000
--- a/03_07_custommodule/terraform.tfvars.backup
+++ /dev/null
@@ -1,5 +0,0 @@
-aws_access_key = ""
-
-aws_secret_key = ""
-
-region = ""
\ No newline at end of file
diff --git a/04_05_terraform_cloud_vcs/variables.tf b/04_05_terraform_cloud_vcs/variables.tf
index 06a0e24..003d79d 100644
--- a/04_05_terraform_cloud_vcs/variables.tf
+++ b/04_05_terraform_cloud_vcs/variables.tf
@@ -17,7 +17,7 @@ variable "instance_count" {
 variable "instance_tags" {
     type = map
     default = {
-      "environment" = "dev"
+      "environment" = "staging"
     }
 }
 # //////////////////////////////