I studied for about 8 months. Weeknight evenings (when I was single) and longer on the weekends, without burning myself out. I found that taking the practice exams were really key to time management, as well as understanding what you know. My reference materials were the Lindeburg package from...
I used the ones from PPI and I thought they were sufficient. I also have some surveying experience, so the concepts weren't new to me. I highly recommend the practice exams, as they will give you an idea how you are managing your time.
I've also only used the digital. Can't really imagine using the stamp itself. I put it in the border xref and it shows up on all the pages.
I got the pre-inked and jpg from www.engineeringseals.com. They let you do a little customization for the CA stamp (ie, one/two circles, expiration are...
California requires a stamp/seal. Section 6764 of the Professional Engineers Act.
6764. Seal or stamp
Each professional engineer licensed under this chapter shall, upon licensure, obtain a seal or stamp of a design authorized by the board bearing the licensee’s name, number of his or her...
I used Hiner and the PPI books for review. The PPI practice exams were close enough to the real test that I had a good idea of how to manage my time, and I used Hiner as the main reference manual during the exam, since it is well laid out. I felt like throwing up after the seismic exam, but...