diff --git a/app/controllers/customers_controller.rb b/app/controllers/customers_controller.rb
index e71a5b5..6eafafc 100644
--- a/app/controllers/customers_controller.rb
+++ b/app/controllers/customers_controller.rb
@@ -39,6 +39,14 @@ class CustomersController < ApplicationController
     @filtered_vehicles = Vehicle.all.where(customer_id: params[:selected_customer])
   end
   
+  def filter_invoices_by_customer
+    @filtered_invoices = QboInvoice.all.where(customer_id: params[:selected_customer])
+  end
+  
+  def filter_estimates_by_customer
+    @filtered_estimates = QboEstimate.all.where(customer_id: params[:selected_customer])
+  end
+  
   # display a list of all customers
   def index
     if params[:search]
diff --git a/app/models/qbo_estimate.rb b/app/models/qbo_estimate.rb
index 1985a5b..d974e37 100644
--- a/app/models/qbo_estimate.rb
+++ b/app/models/qbo_estimate.rb
@@ -1,6 +1,6 @@
 #The MIT License (MIT)
 #
-#Copyright (c) 2016 rick barrette
+#Copyright (c) 2017 rick barrette
 #
 #Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 #
@@ -10,47 +10,49 @@
 
 class QboEstimate < ActiveRecord::Base
   unloadable
-  has_many :issues
-  belongs_to :customer 
-  attr_accessible :doc_number
-  validates_presence_of :id, :doc_number, :customer_id
   
+  has_and_belongs_to_many :issues
+  belongs_to :customer 
+  attr_accessible :doc_number, :id
+  validates_presence_of :doc_number, :id
+  self.primary_key = :id
+  
+  # return the QBO Estimate service
   def self.get_base
-    Qbo.get_base(:estimate)
+    Qbo.get_base(:estimate).service
   end
   
+  # sync all estimates
   def self.sync 
-    estimates = get_base.service.all
-  
-    # Update the item table
-    transaction do
-        estimates.each { |estimate|
-          qbo_estimate = QboEstimate.find_or_create_by(id: estimate.id)
-          qbo_estimate.doc_number = estimate.doc_number
-          qbo_estimate.customer_id = estimate.customer_ref.value
-          qbo_estimate.id = estimate.id
-          qbo_estimate.save!
-        }
-    end
-    
+    estimates = get_base.all
+    estimates.each { |estimate|
+      process_estimate(estimate)
+    }
+
     #remove deleted estimates
     where.not(estimates.map(&:id)).destroy_all
   end
   
+  # sync only one estimate
   def self.sync_by_id(id)
-    estimate = get_base.service.fetch_by_id(id)
-    qbo_estimate = QboEstimate.find_or_create_by(id: estimate.id)
+    process_estimate(get_base.fetch_by_id(id))
+  end
+  
+  # update an estimate
+  def self.update(id)
+    # Update the item table
+    estimate = get_base.fetch_by_id(id)
+    qbo_estimate = find_or_create_by(id: id)
+    qbo_estimate.doc_number = estimate.doc_number
+    qbo_estimate.save!
+  end
+  
+  # process an estimate into the database
+  def process_estimate(estimate)
+    qbo_estimate = find_or_create_by(id: estimate.id)
     qbo_estimate.doc_number = estimate.doc_number
     qbo_estimate.customer_id = estimate.customer_ref.value
     qbo_estimate.id = estimate.id
     qbo_estimate.save!
   end
-  
-  def self.update(id)
-    # Update the item table
-    estimate = get_base.service.fetch_by_id(id)
-      qbo_estimate = QboEstimate.find_or_create_by(id: id)
-      qbo_estimate.doc_number = estimate.doc_number
-      qbo_estimate.save!
-  end
 end
diff --git a/app/views/customers/filter_estimates_by_customer.js.erb b/app/views/customers/filter_estimates_by_customer.js.erb
new file mode 100644
index 0000000..b705d98
--- /dev/null
+++ b/app/views/customers/filter_estimates_by_customer.js.erb
@@ -0,0 +1 @@
+$('select#issue_qbo_estimate_id').html('<%= j options_from_collection_for_select(@filtered_estimates, :id, :to_s) %>');
diff --git a/assets/javascripts/application.js b/assets/javascripts/application.js
index 09a670c..ef95764 100644
--- a/assets/javascripts/application.js
+++ b/assets/javascripts/application.js
@@ -5,5 +5,11 @@ $(function() {
       type: "GET",
       data: { selected_customer: $("input#issue_customer_id").val() }
     });
+    
+    $.ajax({
+      url:  "/filter_estimates_by_customer",
+      type: "GET",
+      data: { selected_customer: $("input#issue_customer_id").val() }
+    });
   });
 });
diff --git a/config/routes.rb b/config/routes.rb
index 21aa526..8fce2bf 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -34,14 +34,15 @@ resources :payments
 #webhook
 post 'qbo/webhook', :to => 'qbo#qbo_webhook'
 
-#ajax
+#java script routes
 get 'filter_vehicles_by_customer' => 'customers#filter_vehicles_by_customer'
+get 'filter_estimates_by_customer' => 'customers#filter_estimates_by_customer'
+get 'filter_invoices_by_customer' => 'customers#filter_invoices_by_customer'
 
 # Nest Vehicles under customers
 resources :customers do
   resources :vehicles
   get :autocomplete_customer_name, :on => :collection
-  get :autocomplete_customer_vehicles, :on => :collection
 end
 
 #allow for just vehicles too
diff --git a/lib/issues_form_hook_listener.rb b/lib/issues_form_hook_listener.rb
index 166d166..537bada 100644
--- a/lib/issues_form_hook_listener.rb
+++ b/lib/issues_form_hook_listener.rb
@@ -32,15 +32,17 @@ class IssuesFormHookListener < Redmine::Hook::ViewListener
     search_customer = f.autocomplete_field :customer, autocomplete_customer_name_customers_path, :selected => selected_customer, :update_elements => {:id => '#issue_customer_id', :value => '#issue_customer'}
     customer_id = f.hidden_field :customer_id, :id => "issue_customer_id"
     
-    # Generate the drop down list of quickbooks extimates
-    select_estimate = f.select :qbo_estimate_id, QboEstimate.all.pluck(:doc_number, :id).sort! {|x, y| y <=> x}, :selected => selected_estimate, include_blank: true
-    
     if context[:issue].customer
       vehicles = customer.vehicles.pluck(:name, :id).sort!
+      estimates = customer.qbo_estimates.pluck(:doc_number, :id).sort! {|x, y| y <=> x}
     else
       vehicles = [nil].compact
+      estimates = [nil].compact
     end
     
+     # Generate the drop down list of quickbooks extimates
+    select_estimate = f.select :qbo_estimate_id, estimates, :selected => selected_estimate, include_blank: true
+    
     vehicle = f.select :vehicles_id, vehicles, :selected => selected_vehicle, include_blank: true
     
     return "<p><label for=\"issue_customer\">Customer</label>#{search_customer} #{customer_id}</p> <p>#{select_estimate}</p> <p>#{vehicle}</p>"