Take the knowledge and education and apply it to your investing system.  

Or I can tell you, Yo.. you are doing it wrong and it will be difficult to make it that way...Now which do you want to hear.Come up with a solid reason for that absentee owner list.Then figure out what the cost /deal is for your pick of lead gen system, and if you have the money THEN move forward...If you do not have enough money to cover that cost/deal x 1.7 (that's a safety factor), get the money first!

The heating systems sound like they are getting direct vented now, using PVC through the wall, just like they should have been all along.

@Troy Seals figure out a good system that works for you and get in the habit of documenting as much as you can.

if it is, wouldn't be better to keep the same closet system and just shift them down 2 feet ?

Putting HVAC in any unconditioned space is a big no-no and should be avoided, if at all possible.No matter what you choose, make sure the contractor does a complete manual-J calculation (and ideally blower-door test) so that you know the system is properly sized.

I used Foundations Systems of Michigan for encapsulating the crawl space.Before Pictures:Repairs/upgrades: PaintVinyl FlooringPorcelain FloorsBase Boards, Casing, moldingPlugs & OutletsFixturesBlindsLED Recessed LightsInterior & Screen Doors- removed exterior doors in kitchenStainless Steel Appliances Quartz CountertopsCabinetsBacksplashHookup- New Washer/DryerNew VanityVent FansToiletsTub/ShowerGuttersChimney Caps/Tuck PointHot Water Heater- 1Encapsulated Crawl Space, Added Sump PumpFurnace- 1After Pictures:Unit A: http://smartfloorplan.com/mi/v431539/player.plUnit B: http://smartfloorplan.com/mi/v431659/player.pl RentI rented unit A for $850 and unit B for $825 fairly easily.

I have some systems in place but need to expand my Portfolio. 

I am a Podio programmer and built my system from the start.

Might not work and seems a bit like gaming the system but for those that need it, that might make sense.