@Price KenneyYou want to connect with an accountant who is very familiar with taxation as it pertains to foreign investors.A couple things to consider.1) Depreciation calculated may be different if the ultimate owner is US or Foreign.2) Corporation tax rate decreases with the most recent tax reform made "blockers" more attractive.3) use of a blocker is favorable to many foreign investors as you are not required to file a US individual tax return and not required to disclose all other personal information to IRS.However, all the facts and circumstances should be addressed before preceding so please consult with a competent accountant.

It is a not-for-profit organization designed specifically for the education of its members. 

@Ernesto CorreaIt appears that HELOC's interest rate is hovering around 6%.This interest rate seems very attractive to most alternatives.Regarding the deduction for tax purposes - Previously, you were able to take out a HELOC and the interest expense was deductible aslong as you itemized your deduction.

From everything I’ve read I understand everything from assignments to double closing, how to use clauses, how to market, how to network for buyers, how to attract sellers and how to analyze properties.

One suggests converting into mini splits for reasons 1. units already wired for electricity heating and lots of work have been done2. mini splits are more energy efficient than current system3. it provides air conditioning in summer which would be attractive to tenantsAnother suggests going back to boiler because electricity is just too expensive.

Small brick houses like the one I'm describing was designed to be maintained in the postwar economy almost 100% by the male head of household in his spare time.

I can't tell from your question is about selling what you have or how do you attract motivated sellers in general. 

I'm afraid that because the quadplex is a quadplex by design that it is too similar to the apartment to provide any advantages to the apartment building.Does anyone have any insights?

Will it be a better payoff and attract tenants?

As an agent, I sometimes help my clients rent specific properties by putting them on the MLS. 3) Location location location - the best rentals are close to jobs or other attractions/amenities.