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)