Duplexes have more appliances (2 kitchens and two heating/AC units) so that is a disatvantage but a used appliance can be fixed in an hour, a hole in the wall take a lot more time.  

This is because your rental income is NOT calculated as simply as taking the rent minus the payment OR by simply taking the negative number on your tax returns. 

Asking $3 million This will be a contract assignment and we do not own the property simply assigning our interest in our option to purchase contract.For more information, please call  870-613-xxxx. ( PS I am just guessing and I’m nobody’s legal counsel and don’t wholesale in South Carolina.)

I would LOVE to develop this land myself and sell a house, I simply don't have the capital. 

It's a bottomless hole of fees!

So the value prop is to simply shot gun as many marketing peices as you can afford and then offer 10 to 30 cents on the dollar and wait for takers.. then once you close resell right away.then there are infill lots through out the US in areas that are actually seeing new builds on infill .. infill lots in areas that have zero new construction are basically worthless.. think major rust belt cities were resale values are 100 to 125 a foot or less..

Have iron clad insurance for myself as a landlord.Move my top assets like my home and paid off cars out of my name into a trust to further protect me.Anyone see a glaring hole in this plan?

The most powerful is simply keeping your properties in good condition, treating residents with respect, and following the law. 

My question, do I wait and see if they will really leave by the 15th of next month or simply pay the $900 to start eviction now (which will still take about 6 weeks to get them out) I am concerned that if I pay the $900 and then they leave 2 days later.

They simply don't allow the listing.If they do, they will remit taxes on your behalf.