No business succeeded by drilling many holes.

@John Davey Interest on a home equity loan used to purchase or improve rental properties is deductible on Schedule E as a business expense, but not on Schedule A for your primary residence.

I bought a business where the prior owner had it in an S-Corp, the S-Corp and he was sued personally for three million.

Real estate is a learn as you go business.

Rents are sky high in certain neighborhoods of Jersey City (we are second to NYC) as such many of the tenants are professionals with high income commuting to their jobs in NYC by ferry, 24 hour path train and bus. I

Especially in the real estate rental sector, I like to say "Be polite through hospitality, but be harsh on Business"

You can't use a PO Box for a business entity.

You have to take your pick between charity and business.

For instance, if you're in some of the well known markets that multi-family does very well in ( Boston, Columbus, Etc. ) , multifamily could be a great starting point for your investment business. 

I went through it anyway bc she had a good footprint online, I liked the designs, and a couple of ppl at another STR group recommended her (not an excuse, I was super busy and thought I was dealing with a professional).