Looking to transition from physical labor and earned income to more of the passive income.

A UPS box will give you a physical address (i.e., 123 Main Street #5).

There are definitely differences block to block.Most of the deals are in poor physical shape.  

What happens is you subscribe to it and physically download the software to your computer, and to use it you sign in with your Microsoft account.

Some counties have this info online, and others require you to go to the physical location of the county assessor's office and request the info.

Most people that I’ve had the opportunity to do business with use the percent of property value because it ties directly to the cost to repair the physical asset, whereas rental income can vary significantly in relation to the cost of repairing the property.

one word if you want to grow and you do not have the physical capital... leverage.  

I definitely need to drive around these areas and see the physical conditions.

Should I attend a physical real estate school or should I take online classes?

You can usually ballpark a starting point for your offer by assuming 50% expenses as long as you have a rent roll, and then re-negotiate as you move through your negotiations and discover more about the property's physical condition and financial performance.