Mar 20th 2017, 19:46:25
Teching is a very good strategy, DO NOT DIVERSIFY! In this game specialization is key as serveral of the building types are more productive the more you focus on them. This is especially true for research labs. The first research lab you make is damaging you, the last you make is the most productive building you can ever build, as long as you are using turns researching that is.
To answer your question, yes, as people max their techs they stop buying techs, and sometimes they even get time to sell their techs. The tech market will crash hard in the last few days and you will have to undercut to get your techs sold. But by that time you should be using your stockpile of cash/food/techs and convert them to military units by buying either on the private or public market in order to achieve a higher NW. This will lead to your expences rising above your earnings and taking turns should no longer be profitable. As a techer you should end up with a few turns untaken after finishing your jump. I wish I could point you to a guide at this point but none are around any more.