Went ahead and created new GTM for https://crmc.mysculpt.net site in order to have conversion tracking set up and other things.
Added other team members as ADMINs, provided access.
Created containers such as Optin monster, added codes, set to live. Published GTM. Updated all spreadsheets.


Isaac  
Please add this GTM code to site =  https://crmc.mysculpt.net 

<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-MBBFSS6');</script>
<!-- End Google Tag Manager -->

<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MBBFSS6"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->

I am creating a new Google analytics account as well. Will provide that code to add to the site as well. 
Thanks. 

Hector  - ADDED

Thank you Isaac. 
I will be providing you with the Google analytics code shortly. 

Isaac  
Here's the Google analytics code. Please add it to the site when you get a chance. 
Thanks. 

<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-160847604-1"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'UA-160847604-1');
</script>

Hector  - ADDED

Amazing job Isaac. 
Glad we have you on our team. 
Thanks.