this is a interesting topic that I would like to share my experience. I have been doing buy and hold type of investment since 2005. While I haven't done any deal since 2014, I thought it would have been good to get my own CA Real Estate Sales Person License so that it would be easier for me to get access the properties for a potential deal. It turned that the reality wasn't like this. In order to gain access MLS and SmartLock, I would have to be part of regional RE associated with couple of thousand annual fee, which was kind of disappointed.
I was luck that I get the license 1.5 year ago w/o spending much money ($200 for a corespondent online class for RE principle, RE practice and RE law and another $150 for license test and fee). I found a broker who doesn't charge any until I did any transaction, of course w/o MLS and smartLock access. I guess I am a bad agent since I am not interested in becoming an agent at all. Given that, however, I feel the license does give me huge benefit:
1. the study to pass the license itself fed me enormous knowledge on basic aspects of RE. I spent 2-3 months to read these 3 books, along with questionnaire, case study, etc. which provided a lot of aha moments in related to my RE purchase experience in past years.
2. with the license, it helps me to stay in the game. Even though I haven't done any deal in last 5 years, w/o access MLS and smartLock, I've been paying attentions in RE market.
3. This is the most important, with the license, as part of brokerage firm, it opens my networks to various agents. This is invaluable benefit of obtaining the license.
So I guess I will keep renew it once the time comes.