Leverage just multiplies gains or losses.So, I'd say, if they're good properties and you anticipate gains then consider it regardless of age.

Where is the line drawn that decides if you have to live in a property for 2 years to reap the tax benefits?

It IS still very profitable (tax benefits, cash flow, and profit) AND assures the investment will thrive and survive.I hope this was helpful-Don't hesitate to reach out.Dino

When we go to sell it will I have to pay capital gains tax.

Notwithstanding the foregoing, if the value of Scott’s interest in any of the LLC interests listed on Exhibit B increases as a result of his active efforts, the appreciation of such assets shall be deemed Marital Propertya) Active shall be defined as exclusively engaging in gainful self-employment working toward the growth of his LLC interests listed on Exhibit B, successor LLC’s, spinoff LLC’s, or any other LLC or gainful acquisition made using premarital funds, mortgages, or other financial instruments to fund growth.

@Michael Plaks True, but I have to give people the benefit of the doubt that they know basic definitions of words unless there are flags that words are being misused or something isn't adding up. 

I think the tax code make the benefit of +30 day stays even more clear.

I speak with many college students about the benefits of house hacking and FHA loan questions come up all the time.

It’s not your typical buying process and if you’re self financed and you plan on living in it, aka “House Hack,” you can benefit with low down pmt, low interest, seller concessions, and perhaps a reasonable construcrion loan if needed!

1-Flip the house and walk away with about $120,000+ in profit with no capital gains tax due to the house being my primary residence for 2 years (my real estate agent’s appraisal.