When I start to study a passage or a theological topic, I start by consulting my desk reference set.
Many people search for the perfect pen to write in their Bible. Here is my choice: The Sakura Pigma Micron Size 01. I buy the 6 color set at A. C. Moore in Greenville. I have also used the Kuretake ZIG Millennium available locally at Hobby Lobby.
Here are two articles (here and here) about marking in your Bible.
Pictures of the notes in my preaching Bible for my sermon from Psalm 73.
More stuff is use later…