What other investment strategies are you looking into? 

Trying to understand the strategy for investment properties with next gen configuration from the experienced. tysm in advance.

Knowing your long-term plans can help you build a long-term financing strategy so that you are not just worried about purchase number 4, but also purchases 5 - 20+ (if you plan to continue to invest).I'm an investor and licensed mortgage broker.

If the bank will call their note if you commit to the transfer you can also check out this article as one strategy that has been used to work around the issue.This is not legal advice, just my opinion as a real estate investor.

I need to source the data myself, run the numbers, check the calculations, eventually build my own custom spreadsheet etc. 

Look at their marketing strategy.

This location is in a 1mm population metro area, 230 units, and cost is about $1,800,000 all in.Limits of Insurance: Coverage:Liability and Medical Expenses$2,000,000/$4,000,000 Occurrence/Aggregate Comprehensive Business Liability$2,000,000 Any One Person Personal & Advertising Injury$4,000,000 Aggregate Products Completed Operations Aggregate$2,000,000 Any One Fire Fire Damage$25,000 Occurrence Customers' Goods Legal Liability Deductible: $0$25,000 Aggregate Sale and Disposal Liability Deductible: $1,000$10,000 Any One Person Medical Payments $1,000,000 Occurrence Hired Non-Owned$300,000 Each Employee Employee Benefits Liability$25,000/$25,000 Per Claim/Aggregate Employment Practices LiabilityLoc Class Desc Coverage Limit Ded Valuation Type 1 Self-StorageBlanket Building & Business Personal Replacement Cost Property $2,100,000 $25,000Earthquake IncludedSinkhole IncludedWindstorm or Hail Included 5%Business Income Actual Loss Sustained 24 MonthsPollution Clean-Up & Removal $100,000Employee Dishonesty $15,000Money & Securities - Inside $10,000Money & Securities - Outside $5,000Accounts Receivable $25,000Electronic Data $20,000Valuable Papers & Records $25,000Fine Arts $10,000Employee Personal Property $10,000Limited Pollutant Removal $25,000/$100,000Cosmetic Loss Limitation IncludedEquipment Breakdown Protection IncludedPremium, Fees, and Taxes: BOP Premium: $ 7,760.00Optional Terrorism Premium: $ 31.00Total Premium: $ 7,791.00Key notes:a.

@Lindsay Davis - I appreciate the data and the dialogue.  

It is interesting, but I can't comment on this strategy.

This strategy could work.