Manageing order is one the hardest work to do when you have multiple channel from which thousands of order are coming at once. At that moement all you need is a safe and efficient order management system to channel all these orders without mixing them. A proper order management system can solve this problem at ease by managing proper product variation SKU which give the information of product code, size, color etc. Also MYE has 2 special option which is 
1. Open Order 
2. Dispatched Order 

Open order show how many order is being placed. And also shows which order came from which channel. On the other hand dispatched order shows which order is being shipped. Best linnworks alternative for the ecommerce management