It's more dependent on the lifestyle and goals that you're looking to achieve.

Since you will be living in the home, you'll also want to consider the lifestyle that you want. 

I agree with Bruce narrowing down your criteria might give everyone you talk to a better idea of where would best fit the lifestyle you want to live.

@Aaron Wisch you might consider putting all your eggs in one basket on the kona side depending on what you want out of your lifestyle.

For example, if I cashflow around $30k/month, how much of that should I ACTUALLY be spending on my lifestyle?

Investing in real estate, particularly multifamily properties, offers the potential for stable income streams and long-term appreciation, enhancing diversification and reducing overall investment risk.It's important to know that the quality of syndication teams can vary, so I would advise you to educate yourself and seek insights from experienced investors who have prior experience in investing in syndications.

In today's rate environment, I feel it should always be a consideration but certain conditions won't generally provide transactional or offer enhancement. 

The balance with househacking a duplex is the investment potential with your personal lifestyle.

People are moving where there is a good lifestyle.

If you have the lifestyle to swing a 4-unit (usually 1-2 bedroom apartments, at least here in Buffalo), I would absolutely recommend it.