But I can't find financing for CONSTRUCTION of an investment property. 

Yes, it is in my business name @Christopher Phillips

Quote from @Gian Pazzia: For properties that small, you should budget $450 per property and use software like the one below from a trusted brand that has been in business almost 25 years. 

Because with the diversified economy, if business slows say automotive, , there's still plenty of economic activity going on in Greenville.

Check your local and state regulations regarding this business model.  

I no longer qualified for traditional financing because I already own many rental properties and my DTI was high for the bank, so I purchased these in a business entity with a trusted private investor and was able to refi the 1st property/sell the 2nd property to pay back my investor and ultimately keep the better property for zero money down.

I have been in talks with a GC in Georgia and his method of building is: He builds everything at costs and doesn't include any markup or fees, he oversees everything, I only supply funding, and we split 50/50 the profits after paying back the bank and all other associated fees.Since I am only supplying the funding for the deal, is there a way I can structure doing this so that this is considered passive income for myself since I won't be involved with the construction or overseeing the project?

To be regarded as a real estate professional, you must perform a substantial amount of real estate business, defined as more than half of your time, and at least 750 hours, spent in real estate trades or businesses. 

In our experience, the BEST construction and rehab teams know and do the following: A.

This is why I do all my business in OH