But then i ran numbers and realized that at current rates i have to pay 4300 (3300 Mortgage, 1000 Prop taxes ,900 HOA) . 

They're probably fine with you paying for additional marketing as long as they aren't cut out of the deal.

Hey,If "building class designation" is the same as zoning, then this seems like it can definitely be appraised as a two family, with both the legal and actual designation as a two family.Depending where in NYC, that may not help your valuation, as primary residences sometimes sell for more than investment properties, so check that out before challenging the appraisal and definitely before paying for another one.Double check all this with your lender/broker as well.Best of luck!

That means ar 7% interest they should be paying $1166 JUST IN INTEREST.

You identify the problem (lack of deposit) during your inspection phase, then hit them with an objection that requires them to pay you a deposit at closing.

Just keep in mind, you get what you pay for.So where are these Mentors?

I like the option of putting more down if you’re paying 7% plus interest.

There are a couple of lenders that'll go to 80% which would be better, but still wouldn't give you anything to work with as far as paying down property B.

I’m POSITIVE you aren’t saying they are reporting non-payment when you are paying.

Get copies of the lease and proof that they are paying on time and yes get an estoppel certificate.