A few years ago a MF boom started (that is still going), and I realized my older units in cut up old victorians weren't going to cut it against new supply.

Milwaukee D class is fools gold; most people are not cut out for it.

Once I didn't have to pay rent ($1000/mo at least on Maui), that cut my living expenses by a third. 

I don’t do the work on any houses except cut the grass on two rentals that I rent out by the room.

There was no way I was going to buy 100 of these and take on 20 million of other peoples debt without clear cut back up plan that included instant paying of their mortgage while i worked it out..

Are they taking a cut of the increase in sales price or are they just marking up their renovation services and charging for those?

If you start small you could either get a property manager which cuts into eventual profits, or convince your wife to help out in terms of managing loosely.

I have done projects where I would have been well served to have an architect (but I cut corners).

People are finally looking at ways to cut back on expenses and exorbitant housing cost is one of the first places that can significantly have an affect on one's budget.  

Like had to ask the waiter to cut my steak, did not have the grip strength left in my hand to hold a knife LOL - rideexpeditions.com if anyone is interestedAbout getting old and needing help.