Feedback I've received from all the electricians that I've worked with is that knob & tube is fine as long as its in its original state- meaning no splices, cracked/missing tubes, etc. and obviously you also need it connected to an ungrounded outlet. 

Check driveway, gutter, soffit, floors, walls, doors, windows, kitchen and appliances and whether I have to add outlets if some are hardwired and need replacement, bathroom, closets, transitions, outlets, infestations, structure, etc.

Ie given notice from a tenant of an outlet issue, u ignore it and someone gets injured in the fire they can sure rental LLC as well as u personally.

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"Hey can you move that outlet to the right two feet?" 

For example, the electric outlet was recessed in from the wall.

I know that some of the institutional investors are going in selling mode right now but the pricing would be so high, us a little guys have no hope unless we pool together resources and even then...What I'd like to see is a retail outlet aimed at the smaller investor's like us.

I like a low voltage outlet with a plate that the tenant can attach an RCA cable to in whatever length they need and it can be removed if its not used by the next tenant.

In your SOW is just installing the outlet or does the circuit need rewire to the bathroom?

Typical items that appear on the VA/FHA inspection are chipping paint, steps that do not have a hand rails and GFI outlets.