I can say that CRM is one of the most important and widely-used marketing tools. And I agree with author, that all tools should be user-friendly and easy to use. And sometimes a custom CRM software might be more appropriate for you in this example. I can recommend some practice advise about How to build your own CRM system. You can read it here: https://joinsoft.com/blog/an-ultimate-guide-on-how-to-build-a-custom-crm-system/ . Perhaps, you will find it interesting and useful for your startup.
I can say that CRM is one of the most important and widely-used marketing tools. And I agree with author, that all tools should be user-friendly and easy to use. And sometimes a custom CRM software might be more appropriate for you in this example. I can recommend some practice advise about How to build your own CRM system. You can read it here: https://joinsoft.com/blog/an-ultimate-guide-on-how-to-build-a-custom-crm-system/ . Perhaps, you will find it interesting and useful for your startup.