They are based on the "Combined Loan to Value" (CLTV) on a property. 

All this said, with a combined income of $300k, you should have no problem affording a $600k property.

My specific question is, when building my real estate road map, what numbers should i use for Single Family Cash flowDulpex Cash FlowProfit per house flipMy thoughts right now, which are at their infancy, is i would use a combination of rental properties as well as a flip or two per year, but i'd like to understand more of the numbers.Any help would be awesome!

And, I'd add in that when people say it doesn't need any work, that's rarely the case. 

I rarely put my money in stocks.

@Bob Floss II, I fully respect that every court and magistrate across the country are challenged with enforcing a unique and rarely-so-quickly-enacted act knowing that the everyone is injured by the events of 2020 and ultimately they are in the unenviable position of pleasing no one all of the time regardless of their ruling.Update on Toledo's specific case I observed in court with the eviction filed before March 27th yet was receiving Section 8 income:Our attorney reported that after the magistrate's reflection upon the act the ruling has been changed to "eviction granted, writ of possession to be stayed until after July 27th".

@Evan PolaskiThanks Evan, I’m reading a lot reading 1-2 books a week my head kinda hurts at this point 😂 but problem is it’s very difficult to find RE Development books very rare specialy in residential developments, not CRE.

Laser focus on what does work combined with action and constant adjustment to correct course along the way. 

Experienced and highly motivated are rarely roommates. :)(Assuming that you meant "highly motivated" as in highly motivated sellers.)

You have to choose the combination that works best for you.