Upsides To Making A Portal To Heaven  
   To   Build  The   Factory   There    
  
                                          
 First  Of All,  Real Estate: The  Highly 
 Fractalized  Geometry  (Not  Proven  But 
 Likely To Be  The Case)  Implies  Almost 
 Unlimited Room; Even If  The Portal Tech 
 Would  Be  Stolen,  Chances  Of  Running 
 Into  A Competitor  Is  Close  To  None, 
                                          
 Secondly,  The  Resources:  Heavens  Own 
 Alchemical  Properties   (Proof  Exist!) 
 Makes  Most Base  Materials  Easily  And 
 Readily  Available. Once  The  Molecular 
 Movement  Patterns  Are Mapped Out,  Any 
 Compound   Can  Be   Created   Virtually 
 Without                            Cost. 
                                          
                                          
  
   Downsides  To  Making  A  Portal To  
  Heaven  To Build  The Factory There   
  
                                          
 Current  Portal Tech Takes  Some  Energy 
 To Hold Open, Which  Isn'T A  Problem In 
 Itself. Test  Results  However Has Shown 
 That Without An Active Tether,  Heaven'S 
 Time  Flow Breaks Down  Completely. Even 
 A Momentary  Fluctuation  Of  The Portal 
 Would    Render    All   Remote   Assets 
 Practically  Lost.  Much  Care  Must  Be 
 Taken  To   Maintain  Portal  Stability. 
 (One  Option  Could  Be Several Portals)