It’s crucial to ensure that your cash reserves can cover not only the mortgage but also unexpected expenses during the remodel.The 30% housing rule is a helpful guideline to avoid overextending yourself, and ideally, you should be comfortable with your monthly housing costs even without rental income.

New 5-year Triple Net commercial lease with annual increases upon closing.

I'm looking to get a 3 unit multi family home in or close to Boston MA. my question is is it realistic with a income of 75k-100k to be able to get a 800k loan?

You Might Not Live for FreeMany first-time house hackers expect that their rental income will fully cover their mortgage, but that’s not always the case.

@Nick Belsky these guidelines are for US Citizen living abroad with income on 2255?

Assuming when you say "$3900/mo in rental income" you mean cash flow.That means it will take you about 13 years of rental income to equal the $500k in equity you have now. 

When it's sold it will be taxed as capital gains tax and may also have some unrecaptured depreciation which is capped at 25% and  recaptured depreciation as well which can be up to your ordinary income tax rate.

@Bruce Woodruff I’m in a group of friends who book an annual trip to just this type of property.

Investment Info:Building a Fix and Flip/Wholesale Active Income Arm of Our Business.Routinely have 5-10 active flips/wholesale deals under management/in process.

Net investment income tax= 3.8%I was aware of the Long term capital gains tax, but I was surprised to find out about the Depreciation Recapture and the Net investment income tax.