I manage a team of Consultants at a small ERP firm focused on mostly manufacturing and distribution
the #1 cause of failure is summed up greatly by Isaiah Bollinger, paraphrasing "most bad implementations are because people are trying to buck the system they bought, rather than work with it, understand how your ERP, eCommerce or other system does a workflow and match it. There's billions of dollars going in and out of Shopify (or x system) daily, and you are not that special. You will spend 10x as much trying to NOT use the system rather than trying to use it".
the #1 cause of failure is summed up greatly by Isaiah Bollinger, paraphrasing "most bad implementations are because people are trying to buck the system they bought, rather than work with it, understand how your ERP, eCommerce or other system does a workflow and match it. There's billions of dollars going in and out of Shopify (or x system) daily, and you are not that special. You will spend 10x as much trying to NOT use the system rather than trying to use it".