The core 4 is David Greene’s long-distance investing strategy and consists of a realtor, contractor, property manager, and lender.

just like you likely do with your 401k (through consistent payroll deductions) or an IRA through annual contributions, if not monthly.  

(See below)The stock broker inside me wants to just sell and add that to my portfolio where I know I can consistently make my ROI goals.

A: "YES, PLEASE FIX THE SHOWER"A: "yeah ever since my landlord was tiling the shower and put some grout mixture down the drain we've been having consistent drain backups (2nd floor!)"

I don't do any section 8 because of the clientele you work with isn't as consistent.

We understand that NO one can (consistently) sell a $345K sports car for half of market value!

Otherwise, if their appraisals are consistently unfavorable, clients might choose to go elsewhere.

For illustration purposes a quad consisting of all one bed one bath units will cost a lot less to build than a quad consisting of all 3 bed 3 bath units.....

then a long stretch of consistency. i have built up a little portfolio that i'm happy with, and while I don't have life changing cashflow, my tenants pay my mortgages down by several thousand dollars each month. 

You see people add basement "rentals" fairly consistently.