., coordinating with contractors on real estate developments) counts as part of a real property trade or business.Non-Qualifying Activities: General business management tasks, such as handling payroll, marketing, or administrative duties not specifically related to real property projects, do not qualify.If your company’s work primarily involves real property projects (e.g., plumbing for new construction or remodels), and your role as an owner includes overseeing these projects, those specific management activities would qualify.

SFR is easiest as only one tenant.2-4 unit is next on the list and as you will typically owner-occupy a unit, it's still relatively easy to manage.

What are you objecting to? 

Maybe I’ll write a post so good some day and people think I’m AI.Your objective is to get the land value as low as possible.  

There are self-proclaimed buyer agents but many of them will have as main objective to sell you something.The way I go about it is I look for properties myself and contact the seller agent when interested.

Property Condition & Amenities: it’s important to, “Maintain to the Neighborhood.”Key metrics for each Property Class:Class A Properties:Tenant Pool: Majority of FICO scores 680+, no convictions/evictions in last 7 years.Tenant Default: 0-5% probability of eviction or early lease termination.Section 8: Class A rents are too high and won’t be approved.Vacancies: 5-10%, depending on market conditions.Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Class B Properties:Tenant Pool: Majority of FICO scores 620-680, some blemishes, no convictions/evictions in last 5 years.Tenant Default: 5-10% probability of eviction or early lease termination.Vacancies: 10-15%, depending on market conditions.Cashflow vs Appreciation: Typically, 1-3 years for positive cashflow, balanced amounts of relative rent & value appreciation.Section 8: Class B rents are usually too high for the Section 8 program.Class C Properties:Tenant Pool: Majority of FICO scores 560-620, many blemishes, but should have no convictions/evictions in last 3 years.

Quote from @Jerry Shank: Relatively new to real estate investing.

The IRS looks closely at “related-party” transactions, so your parents should tread carefully to avoid disqualifying the exchange.

Thus, I understand your objective on Bigger Pockets is not to learn more about REI or to help others on BP. 

Property Condition & Amenities: it’s important to, “Maintain to the Neighborhood.”Key metrics for each Property Class:Class A Properties:Tenant Pool: Majority of FICO scores 680+, no convictions/evictions in last 7 years.Tenant Default: 0-5% probability of eviction or early lease termination.Section 8: Class A rents are too high and won’t be approved.Vacancies: 5-10%, depending on market conditions.Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Class B Properties:Tenant Pool: Majority of FICO scores 620-680, some blemishes, no convictions/evictions in last 5 years.Tenant Default: 5-10% probability of eviction or early lease termination.Vacancies: 10-15%, depending on market conditions.Cashflow vs Appreciation: Typically, 1-3 years for positive cashflow, balanced amounts of relative rent & value appreciation.Section 8: Class B rents are usually too high for the Section 8 program.Class C Properties:Tenant Pool: Majority of FICO scores 560-620, many blemishes, but should have no convictions/evictions in last 3 years.