diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..4d9394d
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+gem 'selenium-webdriver'
+gem 'pry'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..2248514
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,23 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    childprocess (3.0.0)
+    coderay (1.1.2)
+    method_source (1.0.0)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rubyzip (2.3.0)
+    selenium-webdriver (3.142.7)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  pry
+  selenium-webdriver
+
+BUNDLED WITH
+   2.1.4
diff --git a/prime-now-me.rb b/prime-now-me.rb
new file mode 100755
index 0000000..f8c08f5
--- /dev/null
+++ b/prime-now-me.rb
@@ -0,0 +1,92 @@
+#!/usr/bin/env ruby
+
+require 'selenium-webdriver'
+require 'optparse'
+require 'net/http'
+require 'uri'
+
+def submit_zipcode zip
+  form = @driver.find_element(id: 'locationSelectForm')
+  form.find_element(id: 'lsPostalCode').send_keys(zip)
+  form.submit
+  sleep 2
+  @driver.navigate.to @checkout_url
+end
+
+def submit_login email, password
+  form = @driver.find_element(:name, "signIn")
+  form.find_element(:name, "email").send_keys(email)
+  form.find_element(:name, "password").send_keys(password)
+  form.submit
+  sleep 2
+
+  if @driver.page_source.include? "Enter OTP"
+    sleep 2
+    puts "Enter OTP: "
+    otp = STDIN.gets.chomp
+    form = @driver.find_element(:id, "auth-mfa-form")
+    form.find_element(id: "auth-mfa-otpcode").send_keys(otp)
+    form.submit
+  end
+
+  sleep 2
+  @driver.navigate.to @checkout_url
+  sleep 2
+end
+
+options = {}
+
+OptionParser.new do |opts|
+  opts.banner = "Usage: prime-now-me.rb [options]"
+  opts.on('-e', '--email EMAIL', "Amazon account email") do |f|
+    options[:email] = f
+  end
+
+  opts.on('-p', '--password PASSWORD', "Amazon account password") do |f|
+    options[:password] = f
+  end
+
+  opts.on('-s', '--sms SMS_PHONE_NO', "phone number of SMS") do |f|
+    options[:sms] = f
+  end
+
+  opts.on('-z', '--zipcode ZIPCODE', "your delivery zip code") do |f|
+    options[:zipcode] = f
+  end
+
+  opts.on('-k', '--api-key TEXTBELT_API_KEY', "Textbelt API Key") do |f|
+    options[:apikey] = f
+  end
+
+  opts.on('-m', '--merchant_id MERCHANT_ID', "Prime Now merchant ID") do |f|
+    options[:merchant_id] = f
+  end
+end.parse!
+
+raise OptionParser::MissingArgument if options[:email].nil? || options[:password].nil? || options[:sms].nil? || options[:apikey].nil? || options[:merchant_id].nil?
+
+@checkout_url = "https://primenow.amazon.com/checkout/enter-checkout?merchantId=#{options[:merchant_id]}&ref=pn_sc_ptc_bwr"
+
+@driver = Selenium::WebDriver.for :safari
+@driver.manage.window.maximize
+@driver.navigate.to @checkout_url
+@driver.manage.timeouts.implicit_wait = 30
+
+submit_zipcode(options[:zipcode]) if @driver.page_source.include? "Enter your ZIP code"
+submit_login(options[:email], options[:password]) if @driver.page_source.include? "Sign-In"
+
+while true
+  if @driver.page_source.include? "No delivery windows available. New windows are released throughout the day"
+    sleep 300
+  else
+    uri = URI.parse("https://textbelt.com/text")
+    Net::HTTP.post_form(uri, {
+      phone: options[:sms],
+      message: 'Prime Now delivery window found!',
+      :key => options[:apikey]
+    })
+
+    # once found, maybe sleep longer here? 12 hours?
+    sleep 43200
+  end
+end