To decided if the property would generate cash flow. 

@Phillip RosinA vent is required because water heaters generate a ton of heat.

The property tax definitely plays a huge part in making rental properties more difficult to generate cash flow.

I guess it would be generating cash flow?

Tony Nitti, a well-respected Forbes tax analyst, formulated it best: "As a Tax Court judge once said of the issue, “If a client asks you if the sale of a piece of property will generate ordinary income or capital gain, tell them you don’t know.

If I'm able to fill that room, I'll be generating $1,800 a month in revenue each month with PITI being around $1,000 per month.There are two big hesitations I have.

My five-year goal is to generate enough income so that my wife can quit her job. 

I am thinking about starting with multifamily homes in the Lowell area, because the prices there are lower than they are closer to Boston, and then possibly investing closer to Boston once I have a few properties generating income.As I have said most of my research has consisted of videos and podcasts.

Now we're sitting at 6 properties total that generate a healthy monthly passive cash flow (mail box money as they say!). 

Read Rich dad poor dad back in 2010, want generational wealth, house hacked and saved more money.