I've held commercial assets in LLCs for years, but not residential and certainly not my primary res.I'll let tax pros speak to whether you'll be able to claim the sect 121 capital gains exclusion in an LLC or not, but I bet it gets messy.

A nationwide moratorium would be catestrauphic for the industry although its doubtful that would happen at this point.

Most IRAs and 401ks disallow alternative assets, but there is subset of the industry that specializes is what are commonly referred to as self-directed IRAs and Solo 401k plans.

For basic information and lots of information from industry professionals, read books and listen to podcasts.

Buy and hold has been my primary choice for education into the real estate industry.

Most people in the real estate industry hold themselves to some level of ethical behavior, but a few people will do anything for a profit.

While I only browse the forums once every few weeks, I don't see very much discussion on industrial/metal building lease space.

I'm a civil engineering consultant who has been in the industry for about 3 years since graduating college.

And your degree and current employment are helpful to increase your learning in Real Estate Industry! 

It's primarily a one-industry town.