Here are some details: Top bottom duplex Purchase price 440kTurnkeyDownpayment - 55k Both units vacant2/1 upstairs - $1500 market rent (long term)3/2 downstairs - $2500 market rent (long term)Newly renovated Central ACSeparate electric meter 1 water meterInterest only payment for 5 years - $2567/monthTax - $500/month (appox)Insurance - $150/month (approx) Cash flow - $391 (after taking into account vacancy, property management, maintenance and capex reserve)ROI - 8.5%No prepayment penalty If used as Airbnb, ROI can be higher

To answer your question, the onsite management companies charge a 30-45% management fee and you just simply will not see any positive cash flow if you go that route. 

Long-term rentals provide an attractive combination of cash flow and appreciation if you can purchase them at the right price.

Cash flow would be great, but I think I would value appreciation over cash flow.

Don't expect it to increase your cash flow, keep tenants longer, or help your home appreciate.

I can definitely tell you there's still a lot of positive cash flowing and 1% rule deals and you get amazing appreciation.

With each of these you should be asking "How will this improve cash flow?"

Single story of 40k sq ft Is tough as slab tends to be most expensive part besides the land so most build a second story to monetize more cash flow. 

The property was owned with no debt so it was all cash flow. 

Are you cash flowing the property?