The VA loan option you mentioned is a great advantage of course.

Remember that seller finance is a huge advantage to you.

If a person doesn't fit into one of the two categories below, what would the point of posting on this website be?

Such an unfair advantage for New Jersey.   

It pays to learn how, or to hire the right firm/person, to take advantage of tax benefits.

To take advantage you have to sell an investment or business property and buy an investment or business property.In theory you can 1031 your old rental property into a newer and nicer investment property that you eventually make into your personal residence.

Then include an intro to your company, why you buy houses, services offered, why someone should work with you, etc.Other pagesThen make About, How It Works, Your Advantage, and Contact pages along with some blog posts that are relevant to your services offered.

My question is - is it more advantageous to have me own the business entirely so that I can capitalize on the tax deductions & tax refunds so that I can in turn contribute more capital to purchase future properties together?  

If it were me, I'd lean toward selling to take advantage of no capital gains tax and use the equity to fund your next primary residence and maybe a rental that actually cash flows.

If you're thinking about closing a property under an LLC, there are a lot of advantages that make it worth considering.