However, I have seen some duplexes and multi families come up that have positive cash flow with about 25% down conventional.   

An additional airport is a positive.

The amount they owe on water is texted to each primary tenant.  

Cashflow - Buying the right property can and should create a positive cashflow situation. 

Obviously, this can impact your overall cash flow. 6) it’s important to find an agent that knows the area well and understands how to work with an investor, as the process is very different than buying a primary residence. these are all things to consider, and there is going to be a learning curve associated with the process.

I get there are many avenues to finding properties, but general browsing...  I am finding Realtor and Zillow that people listed have gotten good at making everything show up, degrading the use of filters.  As an examp...

I am staying in the primary residence, wife is moving out and keeping our single SFR out of state investment property. 

Obviously, this can impact your overall cash flow.  6) it’s important to find an agent that knows the area well and understands how to work with an investor, as the process is very different than buying a primary residence. these are all things to consider, and there is going to be a learning curve associated with the process.

Primary residence. 

If, in principle, I can make it so that I have extra income left over after deducting all expenses, I have a positive cash flow.