I built a console-only laptop once for financial reasons. I wanted something to travel with on a trip and was donated a laptop that, I think 20 MB of RAM after I upgraded it. I was able to run vim, perl and mutt was very tolerable performance.
I don't think there's really special tips. Pick a goal of some tasks to accomplish. Work towards them, discover the rough edges and find solutions for them. If you install everyone else's favorite CLI apps, you can end up more than you need.
All that said, if I had the memory to run a GUI, I probably would have do so. But I wasn't going to have a lot of time for web browsing and other laptop on that trip anyway.