However, the primary house on that lot I would place at over 10,000'. 

In the past I have worked with properties in the 50-120k range, wholesaled some, kept several for myself thru traditional financing. 

Hows it going BP? New to BP other than viewing the Podcast. I'm still new to real estate and consider myself in the education stage. I recently moved to the Augusta, Ga area from Northern Virginia and I'm originally f...

Maybe it's cashflow neutral due to the interim financing, and you refinance it to 'traditional' financing after a year.

The biggest deal is we've been able to upgrade our primary home thru flipping and now have a considerable equity in it.

You can talk to a private investor, but not sure I see a big enough profit in your deal to take it on.Start living like no one else does, get a second job or a better job, so you can save $20-30K and you can make this happen.I've had to pass on two deals 'cause I didn't have the cash to put 'my skin in the game' (just put $70k into buying a primary residence).

If I own 4 rental properties, could I still co-sign on a 5th property under my wife’s name for a primary residence?

FHA requires 3.5% down, regardless of whether you use the traditional FHA program or the FHA 203K program.So, unless you have a grant or some other combination program that provides your down payment for you, you will be required to put a minimum of 3.5% down.

Or is it considered a primary residence in anyway?

I honestly wish I would have stumbled across BP 6 months ago before purchasing my primary residence.