Just make sure you to have an inspection period to review things more. 

I am considering constructing a modular home which should reduce the construction period to 4-6 months versus traditional home construction.

This stabilization period is expected to be short-lived, creating a window for strategic investments.

Very rarely do single family homes cash flow, at least not on a consistent basis over an extended period of time regardless of what your spreadsheet may suggest.

First, you'll lose a ton of money over that period.

If you set standards and stick with them, you'll catch shenanigans like this.The policy should be that every adult passes your screening, period.

I have found a tenant that has agreed to a relatively unconventional agreement for my furnished property in a popular vacation location. I would like to be able to occupy the property for 1 week every 4-6 months, whic...

It can also work if you're planning to do an option, assignment, or double closing, because you're not taking on the risk of holding the property for an extended period, but if things continue slowing down (thank you, high interest rates), you'll want to be very careful about how much you're offering, especially if you stick to the straight flipping model, where you take title to the property and don't make any improvements to force appreciation.

One strategy we employ is to give preference to those who are from out of the area and here for a set period of time (and then presumably leaving back to where they are from).

There is a lot of speculation in the market that investors should not buy real estate during a bear market or high inflation period.