be best spent at this time with the long-term strategy in mind :)  

It would lead to less conversions, just keep that in mind.

Mind you, they had my plans for months.

Just be sure to clarify that she isn’t a leaseholder but is authorized to reside in the unit.If you’re concerned about liability or want more peace of mind, you could ask the primary applicant for additional security, such as a higher deposit, depending on what’s allowed under Colorado law. 

I wouldn’t come up and say I am new in the business but if someone ask me I’ll be honest, that may work for some, but not others, it who cares anyways, you won’t get everyone, you want those that will want to do business with you.I will also reiterate that even if you are brand new and some ask you, turn around to a positive, if they say “but so and so has been in the business 20 years and have done many transactions blah blah blah” you can turn it around “you know mr and mrs seller, that is a great agent with a great track record, but don’t mind my asking, they are doing so many deals a month and so and so a year, how much time do you think they would dedicate to your home?”

Land is only good if you have a warchest to immediately turn it from dirt to cashflow or sale so keep this in mind when you're going forward.

How you made it to 50 on spreadsheets is mind blowing to me.

The longer the better, but keep in mind that many of these structures have severe prepayment penalties so using 10 year debt for a 3-year hold creates a problem. 

Quote from @John Matthew Johnston: @Marcus Auerbach Mind if I ask what your other venture is ? 

Stop hanging out with your deadbeat buddies who spend all day drinking, talking sports, and otherwise wasting away.