They took my listing pic and text, cut the rent in half and added another bathroom, etc.

Long term tenant side only bathroom, has a seized up shower head, only take baths I'm guessin, cause there isn't even a shower curtain.  

3 bedroom and 1.5 bathroom in B grade working class neighborhood. 

I'm okay at estimating bathrooms kitchens, and roof but I've never done anything with wood frame floors needing to be replaced.  

With the exception of her amazing rockscaping, I would say that we're both at similar skill levels in departments such as renovating and repairing kitchens, bathrooms, cabinets, doors, floors, windows, wood stoves, etc.Steve: I agree with you 100%.

People come to me all the time with questions about remodeling their kitchen and or bathroom.

As this is a drive thru coffee house so there's no bathroom there?

The only difference is that these homes have a 2nd bathroom. 

Lower needs new tub surround"So get estimates on a new Furnace, and new Bathrooms, updating the electrical

I would expect those combined to be closer to $600 monthly, because you will likely have a lower class of tenants and you will be dealing with 4 separate units, which means 4 separate bathrooms, kitchens, etc to maintain.I cannot get much more specific though, given that I do not know anything about the layout of the building or the specifics of the neighborhood.