Hmm Maybe we should compile a top 10 list of rookie mistakes to help the newbies along:
1 - Sending out a colony ship with no population on board (this has got to be #1

)
2 - Forgeting to remove the 'Divide points evenly' on the research screen.
3 - Giving ships or fleets orders without clearing previous orders.
4 - Building mines or satellites and not realizing you need to launch them
5.....