They also gave me a subject to option for all of them, where they take over the existing mortgages and provide cash upfront. 

You are trying to sell him a pipedream (and, as usual, your SEO services) on wholesaling, which does not exist in NYC and the boroughs.Why don't you try to do it in NYC and see how it goes?

Tax Strategy: Making the 2017 tax cuts permanent to stimulate investment and consumptionMarket implications under Trump include potential for accelerated price growth in existing homes, increased private sector development opportunities, and more flexible lending standards through GSE privatization.Similarly, clever allocators of capital may want to focus on market rate housing and more aggressive development opportunities while considering GSE privatization impacts under a Trump administration.Regardless of who you support or which way you lean, both candidates acknowledge the need for increased housing supply.

A capital expenditure typically either increases the value of an existing asset or adds an entirely new asset.

If anything that might restrict building but I don't see them running out of water for existing homes so wouldn't that mean home values going up because supply would be restricted.What kind of climate risk could occur there?

Does it exist?

We converted an existing shed to a 1 bed 1 bath apartment and now rent out the bigger house for great cash flow.

@John Vasconcelosi guess all of those risks exist, sure. 

That doesn't exist folks.

Also, you can ask your existing lenders to increase your credit limit-- usually they'll ask for your income and you can include your rental income.