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)