My wife says she couldn’t afford it.

Figure out how much money you can afford to pay and your financing.

I wish I had more doors, but I still have my day job for now, so I can afford the loss of CF to help me scale so I can go full-time RE

Before you draw the line in the sand, if that is what you chose to do be sure you can afford and have the crews lined up to do the turn and get it ready for the next tenant. 

That being said you can still account for the 9-10% a management company would charge you so you will be able to afford it down the road.

For this, LLs do background checks to see that people have been good renter's in the past and can afford to pay the rent on the first of every month. 

formerly gosection8.com AffordableHousing.com - Affordable Houses & Apartments For Rentis a Sec. 8 specific site. 

A local title company can’t afford to have their name out there as not protecting customers wiresReal estate companies can’t do business with a title company who does something like this either 

I am using traditional owner-occupy residential lending at this point, so buying multiple properties will require more money down in a market that I cannot afford to spend 25% down on multiple properties.

If none, you should find an investor-friendly agent and see around 10-20 properties to understand what the price points you can afford look, smell, and feel like before even considering off-market.