Only trick to this would be if you do not own your current primary residence and you do not have a current housing payment, then no rental income from either the upcoming subject property or investment property can be utilized towards qualifying.

Make sure you have filed for Homestead exemption at the very least (this can only be done if you the home is your primary residence, not an investment home).

Also there is no restriction on acquiring conventional loan on primary residence even if you have maxed out on conventional loan for rentals.

They have 3-4 residents and someone is there at all times caring for those residents 24/7. 

Some insurance companies offer policies specifically designed for owner-occupied multifamily properties, so it’s worth asking about that option.The key is ensuring both your personal residence and the rental unit are adequately covered.

Investment Info:Single-family residence buy & hold investment.

DSCR is for non-owner occupied residences only. 

Investment Info:Single-family residence buy & hold investment.

When you buy a primary residence you are typically using a conventional conforming (fannie/freddie) type loan.

Investment Info:Single-family residence fix & flip investment.