There is also a possibility to purchase additional acres for building. 

A roll-away center island might help with storage and give additional working counter space.

It’ll hopefully prevent you from making serious mistakes. 

She the judgment was actually to her advantage to prevent nasty surprises in the future.

I would love to help you with the bigger projects only (additions and larger).

In addition, I would recommend: Listening to the BP Real Estate podcast https://www.biggerpockets.com/podcastListening to the BP money podcast https://www.biggerpockets.com/moneyshowAttend your local REIA meetings to networkStart analyzing deals to get practiceEngage more on the BP forumsAll the best!

The question is whether or not the benefit of getting the third property without any additional cash out of pocket is worth increasing our debt. 

I know they are trying to update the law with the choice act because the Dodd-Frank has had unintended consequences that for some reason the Consumer Finance Protection Bureau wont rectify...Former Congressman Barney Frank, who co-sponsored the legislation, said he was “regretful to realize” its negative impact not long after Dodd-Frank became the law of the land.In a 2011 letter to a constituent, Frank wrote:“I do not think it is necessary to include manufactured housing as part of our effort to prevent abusive mortgage practices, and I am now working with my staff to see if we can find a way to make a change that would deal with the problem you correctly point out… “

In addition, attend REIA meetings and study.

Even if you engage a broker, you should still shop around an additional couple lenders yourself (if you have the time/energy).Freddie SBL loans cap at 50 units, so you won't be able to take advantage of that program (unless they can somehow make an exception), but there are still great Agency (Fannie/Freddie) programs that would work.