_sidebar.md

 [Home](home)  
 
+[Before Starting](before-starting)  
+
 [1. Workstation](workstation)  
 
 [2. Cloud Provider](cloud-provider)  
@@ -8,4 +10,6 @@
 
 [4. Deploy](deploy)
 
+[Cost](cost)
+
 [Learned Lessons](best-practices)
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