In space science fiction stories, the writers give their people faster-than-light drive... warp speed, hyper drive, wormholes, whatever. Our real world won't have anything like that. The best we can have is constant acceleration drive.
What will space commerce be like using constant acceleration drive technology?Watch and find out.
See this discussion in text at http://www.whiteworld.com/technoland/stories-nonfic/2008-stories/STL-commerce-01.htm