We only just moved to the area a few months ago from Buffalo, NY, so I don't think I'll be able to help you with area expertise, but I can offer to you to check out the podcasts, join in conversation in the forums, and check out the Education -> Guides in the top menu of the BP website.  

So here is my case for So Cal:- Advantages of local including expertise, cost to get to property, able to self-manage if desired (typically ~10%).

I am joining BiggerPockets to obtain and further enhance my knowledge regarding Real Estate practices as well as meeting new faces that I can hope to provide assistance of my own as well as gain knowledge from them and their experiences.My expertise includes being involved in Public Relations and having worked in the Public Sector for many years.

Generally speaking, there is a Risk vs Reward system in investing, where the more volatile an investment, the larger the rewards can be. 

I agree the risk is likely too much when considering the reward. 

My expertise is wholesaling.

Unfortunately, I don't have any expertise in 55+ communities.

Flipping homes is no easy task and requires a lot of knowledge and expertise otherwise you will lose ALOT of money in the process.

This new adventure can be as stressful as you make or rewarding as can be.  

However, I asked her about the distressed property situation in Santa Fe, and because this is not her area of expertise, she was unable to help me.