And as NAR states, if a person is not a proficient expert in that transaction type, they should NOT be doing it and should be advising the client to the agent who is a proficient expert in it. 

Passive investments are a farce.You invest actively, then keep systems in place to allow a proficient and diligent way of monitoring.

I would say if you're OOS investing, you need to be proficient in that area

Look for software proficiency, experience and REI knowledge.

Start as the gopher, then learn by doing.Over time, you’ll build proficiency.

I would add the following:First, get really proficient at estimating repairs—both honestly and accurately.

We recently upgraded to the $200/mo version of ChatGPT and have our VA creating agents and learning how to be proficient in AI and handle all these tasks.

The customer has constructed and operates numerous hotels, but after lending for over three decades and doing many hotels, I wouldn't think it's something you could take a course and learn to the point of proficiency.

I'd use a highly proficient real estate attorney.You may want to look into the California Apartment Association leases.

I would say proficient starts with about 20 deals per year.