What I mean is, the payments made to the seller, is the total payments consisting of principle/interest, property taxes and mortgage insurance all wrapped into 1 payment and made to the seller?

The stronger the tenant the more consistent the income for the property owner. 

The other electric meter I pay for because it feeds 2 units (the first floor and basement).1)Would this be a good investment with worthwhile tax benefits?

For now, enjoy the project, but consider transitioning to a vacation rental later for consistent income.Overall strategy..Balancing multiple properties is challenging, so leveraging property management for the rentals would be wise.

The most important factor is consistency, as jumping from one strategy to another over a short period is ineffective.

Hiring a good property management company who's on top of things, or ensuring you or someone else you hire put aside additional time for property inspections on a more consistent basis.

Which consists of attorney, contractor, realtor, and property manager.

Detail out everyone in your phone, linkedin, FB, IG, your BB buddies, your schoolmates, everyone who would potentially do business with you or feed your business. 

Over the past three years, I’ve been using most of the major off-market techniques.One standout method has always been pulling data and feeding it into a call center to generate off-market leads.

I would be as consistent as possible.