From a leverage standpoint, it would appear the best thing to do is the 25% down, 10/30, but I just worry about the potential balloon payment after 10 years if I am unable to refinance.I can afford the 45% down, but would love to be able to use that capital toward another purchase.Thank you for all responses in advance,Bruce

Do you have capital that you are looking to utilize to fund your wholesaling business? 

You'll want to consider this in your underwriting, especially if there is a material risk of a capital call in the future.

Can I sell it and get an exemption to the capital gains tax of occupying the primary residence 2 of the last 5 years?

What is the best way to protect them from the IRS and keep our investments from getting hammered with IRS taxes due to them being foreign nationals?

We are positioning the property to refinance so that we can recover most/all of our capital.

They would be a hands off capital investor, and we would manage the entire process from finding the properties, renovating them, and selling them.  

Right now you are losing $1800 per year. it'll take 5 years of ownership to make selling a better option, but if there is a major capital expense that causes special assessments, it'll screw you and kill your condo's value.

Someone said something about Capital Gaines Tax in NJ?

Capital, time, project management, find the deal, etc.