I find myself usually just disagreeing with what people say on this site 80% of the time.It's for sure a multi variable equation, there are a ton of factors.

When we build the rear unit it’ll be strictly based off the front unit via some percentage/math equation.

But a no money down deal doesn't always equate to a home run.  

Equator is helpful in keeping all parties on track and accountable.  

Your advice equates to...you had a bad day go jump off a cliff.

Appraisals do not always equate with market value.  

If you let it, the education from a bad deal will make you a better investor so that next time you won’t make a similar mistake.We learned on that trailer deal to take emotion out of the equation.

That was a huge pain so now I state in the house rules that it is included in the listed price and use the following equation to figure out the pretax rate:  Pretax rate = Listed rate/(1+tax rate)  -- ex

Package entered on Equator.  

Finding houses is the (relatively) easy part in this equation - dealing with payment, profit and losses is going to be the sticky points.