A TM can be trained in 4 hours to close for an appointment and a closer can be trained after 2 weeks of being an appointment setter. 

If you're already in the accredited investor club, well, then I'd say it might be time to consider moving away from those individual rentals and leaning more into syndications and private placements.Anyway, if your net worth is north of half a mil, or even a million, then you might want to hop on the LP train sooner rather than later.

A fairly reliable wholesaler who buys across the country, and spends $100,000 a month on advertising, also trains people to be wholesalers.

I had insight to the process and knew it was going to be a mess day 1 that's not workable, I knew it would be a train wreck of changes, and I knew market reaction.

I would add this: the best in their fields train all day/every day.

Years ago I attended a training class.

These are professionals with additional training and a stricter code of ethics.

They have a lot of training available for things like prompts, activities, tracking for renewals, etc.

If you are going to expand your market or consider bigger properties, I suggest you investigate some multi-family training programs like that offered by @Gino Barbaro. 

To put it into terms; I was asked to come a chair a agent training at a big-brand brokerage (KW) which was about REI.