He originally told me that he wanted $5k in passive income of just interest only.

It won’t affect your debt-to-income ratio and won’t affect credit score/history.

Had my eyes set on a NH for a little while now and wanted to see if anyone had any advice/insight on claiming a 2nd home / STR property in NH as your primary residence in order to take advantage of NH not having state income tax.

I'd speak with a lender about this, but they can probably use your rental income towards the next property or at least use it to help with your DTI ratio.

Because I have reduced my expenses to less than 500 a month, and enjoy a more frugal lifestyle as it is, I am content pooling all available income to real estate, in order to accelerate this process. 

The good thing about bieng in Florida is that the state does not have a state income tax. 

Being self-employed can make securing commercial loans more complex as lenders typically prefer borrowers with stable income and strong credit history.

This law prohibits an institution from disclosing a consumer’s nonpublic personal information like Social Security numbers, income, and outstanding debt, to companies that are not legally related to the institution.https://www.ftc.gov/business-g...https://www.ftc.gov/business-g...Also, most credit agency contracts do not allow their clients to share info with 3rd parties, which an owner would be.

It's currently making roughly $77,300 in gross income for 2023 number with an uncompleted dirt backyard, if I add a nicer backyard with jacuzzi and more backyard activities

Assuming I could qualify financially (primary income plus FHA allowed rental income contribution from additional leased units), when I become the owner of the property, would that prevent me from using a FHA 203b to house hack a second property?