Yearly increasing costs will, in time, eat up any profit they have per unit.

If you think you will have it for less than 4 years I would say go with the HELOC because you have less origination costs.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

If you were able to increase the value of the property significantly after the rehab, then you could bring the deal to a community bank  to refinance and take the hard money lender out.You keep all the equity and don’t have to file a partnership return for your annual tax return, which can be costly.  

I know that i could buy my next multi family property as a primary residence close by move in, rent half live in the other and than rent where i am now which would cash flow upwards of 1k monthly, or i could buy another multi as strictly an investment property out of state which would be a lot cheaper (taxes and cost of property) and a lot more landlord friendly laws than New York, i guess i’m just undecided on which route i want to take and I’m trying to weigh the pros and cons of each scenario.

Is there any good rules of thumb to estimating the cost of a boiler?

Most likely trying to find a sucker to buy this and take over the costly legal battle they are entailed in.So next time someone is like "yeah just get a deed in lieu at closing", think twice about that.Actually, I use the deed in lieu.  

Obviously it will cost money, get some quotes.

I have "XXXX" of debts every month, and make "XXXX" every two weeks.That will find the cost of duplex you need, though you may need to verify it is using current FHA guidelines as they have changed recently, so make sure you use that. 

This could make the sale more appealing by solving a logistical challenge for the landlord.Things to Keep in MindUnderwrite Conservatively: Make sure you account for all costs, including property taxes, maintenance, and potential repairs.