You've left it to us to assume that you are charging under market rent which doesn't cover your costs. 1) Once you've figured out what you could be charging the public, knock a little off for a friends/family discount and present them with legal leases.

Looking for connections and opportunities to fix and flip single family homes around $100-400K.

Start with your closest friends and family but they will invest with you because of your relationship not necessarily because of the real estate or your real estate acumen. 

My family has 2 portfolios in the area north of DFW.

Ultimately you need to understand the underlying economics, psychographics and demographics of the market you are purchasing in to know if and how you can re-tenant the property.I'm a bigger fan of dollar generals or family dollars that are in multi tenant shopping centers. 

Investment Info:Small multi-family (2-4 units) buy & hold investment.

We're leaning toward Cleveland, gravitating to the Cleveland & Shaker Heights B neighborhoods, both for ourselves and for family/professional leaning tenants.

Quote from @Tristan Kelly: Investment Info:Small multi-family (2-4 units) buy & hold investment.

In the process of closing on a duplex in which I will be turning my current primary single-family home into a rental and occupying the duplex.

We are focusing on a very specific area to buy and hold multi-family rental properties.