I am looking at "C" grade rentals in the least desirable part of Kansas City, KS.

If you are looking off-market, figure out ways you can target motivated individuals in your desired investing area.

Ultimately your goals come into play and your desire to scale would impact you continuing to do the work,  but you would also know that if push came to shove in a given situation you could jump in and make something happen if you've been there and done it.

If she is an accredited investor and really desires her RE investment to be truly passive there are several good funds she can consider ranging from lending to longer term investments. 

Rent in his desired neighborhood.Here's some motivation: https://www.goodegginvestments.com/blog/buy-or-invest-200k.

You can even get a BS or MA in re in selective schools desirable in commercial RE world.

Anyway, the point of this is to say you cannot apply the same strategies touted on BP to other countries or for that matter the desirable areas of the US either (like California or New York or Seattle etc).

If I adjust for three of the units paying their own electric than my approximate electrical usage drops to $2066 per year which increases cash flow to $5,248 annualy.Here are my numbers as they currently stand:  Assumes $700 mo for the owner occupied unit than 500, 550 and 350  monthly.All tenants are on a month to month so I am not locked in with them so if they don't wish to pay their own electric I can move new tenants in.InputsResultsPurchase price:$105,000Down payment amount:$21,000Scheduled monthly income:$2,100Total out-of-pocket expenses:$22,200Other monthly income:$0Vacancy rate (%):5.00%Debt Service Calculations:Number of Units4Blended rate:5.500%Financing information:1st loan amount:$84,000Down payment (%):20.00%1st loan monthly payment:$4771st loan portion (%):80.00%2nd loan amount:$02nd loan portion (%):0.00%2nd loan monthly payment:$01st loan interest rate:5.500%Total annual debt service:$5,7231st loan term (yrs):30Amortization (yrs)301st loan closing costs:$1,200Income and expenses:2nd loan interest rate:0.000%Gross scheduled rental income:$25,2002nd loan term (yrs):0Gross other income:$0Amortization (yrs)0Total gross income:$25,2002nd loan closing costs:$0.00Less vacancy:-$1,260Total annual operating expenses:-$15,114Operating Expenses (annual):Net Operating Income:$8,826Real estate taxes:$2,300Annual cash flow:$3,103Insurance:$900HOA dues:$0Management fees:$2,640Rates and ratios:Legal expenses:Capitalization rate:8.41%Marketing:Cash-on-cash return:13.98%Landscaping and snow removal:$0Debt service coverage ratio:1.542Maintenance and repairs:$1,320Reserves:$528Other Calculations (precise in one-loan scenarios):Supplies:Minimum desired DSCR:1.2Other:$0Purchase price to support minimum DSCR:$134,935Landlord paid utilities (annual):Average Cap Rate Supported (based on local area):9.6%Garbage:Water and sewer:$2,052MAXIMUM purchase price to support required Cap Rate$84,730 Electricity:$4,210Gas:$1,164Phone/Cable/Internet:$0

The problem w/ high vacancy is those who may be considering buying a condo to live may not be able to get financing because vacancy is too high.Our rule of thumb for condos- If the bldg has little to no vacancy (its thus desirable) & the HOA rules don't prevent rentals & the HOA fees support the cash flow numbers then hit the offer button.  

Where operable windows are required or desired, casement/awning are your best design, followed by tilt-n-turn, then your single/double hung and, bringing up the rear, your horizontal slider.Finally, it also pays to "tune" your windows to your location and the exposure where they will be installed.