No portable dishwashers/washing machines + adding appliances without landlord's consent.

Will it earn enough to pay for itself, will I need a machine for each unit so I don't have the "Susan upstairs is hogging the machine on every weekend and she don't even work during the week" fights, etc.  

I took a 2/1 and made it a 5/3 and it's a cash making machine I've had the same group of college students in it for 3 years and it's not even trashed.

A power wash company could take care of that quickly.You might also be able to take it up with home adviser to deduct pay or fix it depending on what kind of guarantee they have.

You can bypass the 10k cap of State and local tax with house hacking.6)You can depreciate the rental portion of the house which can wash out most of the rental income that you otherwise had to pay taxes on.

I picked up machines for $75 ea.

But the evidence also suggest that that is a wash when you factor in installation cost.

Buying sound, good, quality Real Estate where you don't do much work because it's highly desirable, where the job market is very strong even in a down market, AND you hardly have to put any time into it because it runs like a well oiled machine, puts you in to the Investor's Quadrant, paying very little taxes until you die.Over my 21 years of buy and hold Investing in Real Estate, while I was doing this before reading Rich Dad, I always understood that the way to avoid paying taxes is to be in the Investor's Quadrant.

This makes replacing the entire shower tower about as easy as replacing a washing machine, and it can legally be done by you or a handyman you're paying $15-$20/hour for, not a plumber sucking you dry at $100 per.The different in long-term labor costs will really add up over the decades, especially if you invest in durable tile shower surrounds for your rentals, which we do -- you don't have to repair, replace, or cover over the surrounds after the plumber gets done cutting into them to get at or even just to check problems in the many soldered or crimped connections behind the wall in a traditional setup.

It would be literally impossible to try the BRRRR strategy in Hoboken unless you have a time machine.