Marketing ; the same and the ideas keep coming and coming My thinking is that you need more income and a sellable skill. 

The tax savings could be larger than the regular income. 

You didn't buy the house to preserve it, but for it to produce income.

However, when you combine the income from both the units, I think you will end up with more income after a year or two than with a SFH renting by the room.  

I paid for the subscription for a few months and drew my own custom Google maps areas and color coded them red/yellow/green based on a "grade" I felt came from a few metrics like crime/average household income/etcI also really like realtors dot com new maps, if you search for an address and click on the map and then go to the top left and choose the Value slider it will give you a nice color coded map of which areas of a neighborhood are higher valued.

If you are looking at this property from a residential and rental perspective, then it may work as long as you are willing to put your own income into the property. 

Also, for DSCR, they do not use the actual rental income on tenant-occupied houses.

We’re looking to increase our lifestyle through the decrease in housing and built a little passive income medium term. 

As you know, marketing and price are both very important, and vacancy will significantly impact your income, so you are almost always better off charging a lower price and getting it filled with a good tenant.  

More on DSCR loans: DSCR loans won't use your income to underwrite the loan.