If it's really similar take them in consideration the way they are, if not, adjust, adjust, adjust!

One argument says to catch others who have an agenda to sell other than occupying resident PR.I've had success overlaying other facts and circumstances which are triggers.

- Quadplex cons: Will take a considerably longer time.

One comp sale triggered my Spidey senses when it sold at bottom low prices cash offer, only to be resold short time later for $50k+ without ever being listed on MLS or any other web places. 

What you want to do is focus on one, while giving due consideration to the other.  

The sale of one of the parcels would only trigger the proportional gains allocated to that one property. 

. , & @Dawn Brenengen , You've all brought up ideas and considerations that hadn't occurred to me. 

The 10 year loan  gives the time with buying 20 to 25% down to chop down the loan amount considerably.

"saved" herself $8000 that year only to spend considerably more bringing the house back to all it's gloryBe careful in the insurance coverage you select.

My student rental turnover is considerably higher compared to traditional rentals and not uncommon for the majority of units to only have tenants for 1 year.