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)