The ultimate question would then be, what is the payback period (from maintenance savings) for spending the extra $470/unit to vent outside? 

@Daniel M Gibson sticking to fundamentals and your "gut" is always the best course.Unlike 99% of the investors on this site, my take is that investing for cash flow is a bad idea...it creates a jaundiced view of how things work...meaning that investing is about controlling assets as wisely as possible...not immediate cash flow.I use seller carried loans routinely because I'm in for the long haul (and I don't need rental income to survive)...as long as the purchase price makes sense, I could care less about income...the concept is debt paydown and future equity.

Ultimately he agreed to pay for the credit check and background search and I approved his application despite his borderline credit score and marginal reference from his current landlord.

Ultimately our goal is to not have to do a personal loan under a insurance umbrella and have a multifamily real estate property under our LLC for protection purposes.

Not only did Josh and Brandon team up to write this ultimate guide, but they’re teaming up to participate in a live author Q & A session—exclusively for people who buy this book from biggerpockets.com/store!

My ultimate goal is to replace my wife's income with rental properties. 

The investor who bought it ultimately made about 150K, but had to hold the renovated property for almost 8 years

Hi Kristin,We have used Ultimate Kitchens Direct (also online) out of Banner Elk, NC.  

For more info on the particular neighborhoods in the Birmingham, Alabama metro market take a look at The Ultimate Guide to Grading Birmingham, Alabama Neighborhoods.

I was on the agency bad boy list for about a year, but ultimately the deal was saved, and we ended up making a 18% annualized yield.