Urban Lot Splits (ULS) allow you to divide a lot into 2 parcels, and Multi-Dwelling Unit Developments (MDUD) are allowed up to 2 units per lot.

Pay cash.  

Good point - At least in FL, since I am licensed I can pay to the other agent's broker legally.We pay the same regardless if it is an RE agent or not, i.e. we pay that same rate to friends, family, current clients, vendors, etc.

My guess is that you will pay less per month with multifamily than a single family. 7.

For example, we've recently taken over marketing internally because the property management company was not experienced enough in using the newer advertising methods we need to pursue.

The safest approach is to pay the worker as a W-2 employee and allow them to donate legally.

Work backwards from your $300,000 annual target to monthly say $25,000 per month.  

My goal is to purchase 15 units in the next 5 years, and produce a cash flow of $20k per month within the next 10 years.  

A tenant doesn't choose how to pay, a landlord does.

Dialer is $.06 per minute. or $99 add-on for unlimited minutes for each cold caller.