If you do not have HEALTHY cash reserves, you'll run out of money. 

Most if not all builders will still hold a healthy dose of GFC-PTSD. 

Centralized mental health is a necessity. 

Definitely agree that there can be a super healthy relationship between Realtor & property managers, especially when they each specialize only in their area of expertise...

Charlotte has been a solid growth market over the past decade with strong job creation, in-migration, and a healthy rental demand, but because of that demand, prices have gone up quite a bit and a lot of investors are finding it tougher to consistently hit the 1% rule there.

High quality partners in a market with relatively low purchase costs and healthy rents.

I would guess you are forgoing pretty good appreciation on your duplex for cash flow, and therefore you need to make a pretty healthy spread on cash flow to overcome, what I assume will be, a much, much lower appreciation on midwest/southern housing. 

Because a million dead Ukrainians so Ukraine can become a NATO country on the border of Russia (just like America would be totally cool with Russia or China having a military alliance with Mexico totally reasonable), illegal immigrants welcomed by businesses and their paid for politicians to push labor costs down at the expense of poor Americans, and forcing kids and healthy people to take vaccines that don't work is totally not a scam.

Once that first-time discount is gone, one way to keep your margins healthy is to start building a solid team of subcontractors—plumbers, electricians, painters, etc.

Build healthy reserves at closing and agree in advance on what triggers additional contributions so you’re not negotiating in the middle of an emergency repair or a vacancy spike.