There may be some products available through a brokerage that requires less, but you may need to do a little digging. 

I agree that tariffs can be justified against certain countries like china on specific products where their govt is clearly subsidizing the manufacture of those goods and dumping the products to try to run the competition into the ground.That being said. 

I would suggest you use a different non-qm loan product that allows for family members to occupy but doesn't require you to make it a primary residence.

It might be a good idea to look into what tech related companies are emerging with real estate-related products.

What types of products are you seeking?

Deductions are a matter of legislative grace and the taxpayer bears the burden of proof, both of production and persuasion.

There are still down payment assistance options or portfolio products for lesser of a downpayment but your terms on those are worse. 

One visionary comes up with the idea and creates an ingenious product, but later generations will always have the advantage of hindsight and trial-studies from which they can improve their design.It's very difficult to say where the whole space will go. 

Complaining, or (overly) worrying, about these things is counter-productive. 

Thank you I would always refer people to trusted sources like @Brian Burke , who have a good reputation and while they have their own products to sell can help evaluate the claims made by another fund.