After all rape is just the word of the victim that it was not consensual sex, breaking and entering, well the door was already broken, every theft, every credit card fraud, well the owner said I could. 

Matt Scott, Incite Venture Capital and his team can be summarized as follows: over priced, non responsive, non professional agreement breaking, chip on their shoulder and otherwise a bad investment.

Squatters break into vacant homes, can present fake leases, and are a valid problem, but if you have cameras on the house, you will be able to get them out right away and you will see them going in.

To get around this some folks will purchase the vehicle in an LLC and then sell the LLC, and this is not breaking the agreement.The same thing would apply here.

if something breaks, could 'resolution' mean 'thank you for your complaint - we will fix tomorrow,' and the guest is satisfied? 

Are you both friends and have unique skill sets and are breaking up the duties of investing based on those skills?

Our aim is to maximize appreciation and rent growth while still cash flowing enough to break even after all expenses in the short term.

There are usually lots of temporary jobs at Christmas. 

Have both homes completed and sold in less than a year.. and then we need a break from all the construction!

This would help you get going.You might be able to make these a  little nicer and force appreciation and a little higher rent.Either way rents will go up over time and the mortgage with remain constant.Maybe even make one unit a STR which could see higher income.I'd be ok with break even or a little bit negative on a Quad given you have 4 properties in one.If you're only breaking even you still have depreciation and other tax write off to help you out.I usually make people 3 offers.