You said you were a self employed individual. 

Bigger pockets has been very helpful for me in the past and I thought I would reach out here as I know many skilled individuals hang out here.

This cannot be decided without a total picture of both the duplex finances and your finances as individuals. 

I've seen 5-15% of NOI, estimating each one individually, and other estimates.What number helps you sleep at night?

Final payment cannot be demanded until the contract is completed to the satisfaction of all parties.Signatures of all parties.A clear and conspicuous notice stating: That all home improvement contractors and subcontractors shall be registered and that any inquiries about a contractor or subcontractor relating to a registration should be directed to the Office of Consumer Affairs and Business Regulation Home Improvement Contractor Program, with the Office's address and phone number.

I'm a newby in real estate but I do currently own a house with no mortgage and I'm looking groups or meetings in Atlanta, Ga to do some networking with more experienced individuals.

That alone demands investor attention to the details. 

I am ALWAYS on their case being very demanding and super picky with my websites.

People just seem to be looking for individual accommodations for themselves in November and December.I have heard some pros and cons about renting to military which you will obviously have in Woodbridge.

Probably the biggest problem now is that post crisis, they are in demand and there is a shortage of skill out there at all levels.