These are becoming very affordable from retailers like Home Depot and Floor and Decor, and they really set you apart from builder-grade homes!

Eventually the kitchen will need to be updated, but the bathrooms are updated and tile floor throughout. 1 tenant for nearly 4 years, just changed out tenant.

2 floors done...three to go :  )

Also, without even looking at the plans a 7 unit building will likely have flawed floor plans and/ or an inefficient layout unless its an irregular site.

For rentals, would a single floor or two floors makes sense? 

All are perfectly functional now, but could pull higher rent with replacing the flooring, and updating the kitchen.My current financing setup for this deal would be $235,000 from the HELOC I already have secured.

NOTE: we charge extra for this.4) What about a floor plan, so prospective tenants can get an idea where their furniture may fit?

I charge a completive market rate while providing a really good service. 

With seller's permission: Unscrew the shower head and put it on shower floor.

The limit on scaling is your deal flow (mine never was that good) and time it takes to perform the value add (I got fairly quick for example, my last rehab did all new plumbing, electrical, and flooring.