did half the flip work, sold with new walls and new electric/plumbing.

@Jorge Caceres Is this with electric baseboard heaters or  heat pump/minisplits.

Look for properties with updated roofs, electrical, and plumbing.

The main issue is that to do the ADU you have to spend so much bringing other items up to code like electrical, plumbing, lighting (windows) and egress.

The property does have heated radiators through out each unit. everything is separated for each unit electricity, gas, and window units in each property.

Electric: is the easiest to split, but may require holes cut in walls to separate the units.Gas: gas lines aren't as flexible as wires, but it can usually be done affordably.Water: most cities will NOT install additional water meters on a property.

Overcrowding can strain plumbing, electrical systems, and air conditioning, leading to expensive maintenance issues.

However, these properties generally have a lot of land improvements that qualify as well as certain portions of electrical, mechanical and plumbing that can qualify.

When electricity passes through the titanium it acts as a catalyst that converts the dissolved salt (aka sodium chloride) into sodium and chlorine.  

For example, we need proof of renters insurance and proof they put electricity in their name.So, it seems odd that you are accepted but they keep wanting more information.