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)