It's been on the market for over 60 days, they are asking $179,500 for a 6 unit building, which appears to be a big old home converted to an apartment of sorts.

Question #2 - it appears that in NJ, sales tax only applies to hotels, seasonal rentals, and rentals/leases of tangible personal property.

Despite paying for much advice, things don't appear to be much clearer.

There is a multifamily I'm looking at that appears to need a new roof.

I am assuming here that this question is not as simple as it appears. 

Anyway, with the help of my sister in law, a very newbie agent, we found what appeared to be a solid first time flip.

your email appears invalid

Assuming a 10% down payment, the 283.5k would have a monthly P/I of $1353 (4% 30yr).Places around here appear to be renting for around 1600!

If it appears the amount in controversy exceeds the value of the trust property they will ask for all property you hold a legal interest in, which will require you to disclose all your other trusts. 

Hello Samantha, you appeared on my keyword search.