This property would be great to build two houses, subdivide and sell.The second deal is a duplex with a storage building on the premises.  

Also, I have never used a property manager before, is it even feasible to get one for a 60K Duplex with $400-600 a month rent per unit?

One bought a investment duplex.

My primary focus right now is Duplex/Triple & REI investments, with a goal of achieving financial freedom.

However, it won’t generate rental income like a duplex or multi-family property.

With a duplex which are super common in Milwaukee you are in that in-between space where most owners try to make the tenants do it, but that can be tricky.

Never took the gray wall Kool-aid.

Not many condos/townhouses in the area, so SFH/Duplex might be the move.

Positioned near land we own on West Concord Street, which is slated for a major development of 12 patio homes and two duplexes, this property is central to a broader strategy of enhancing value and transforming the area.

Recently acquired duplex and used Avail for everything- advertising, screening, lease signings, deposit collections, etc.