If not , some say it is not prohibited.

To cut to the chase, is USDA similar to a VA loan in that the buyer is essentially prohibited from putting any money down?

Its going to cost a lot more in required capital and a lot of the best locations will make it challenging to do if you can even make it prohibitive.  

That usually gets them back to the negotiating table.I've had attorneys heckle me with messages that so and so instructed me to call them and my favorite recent comments was "you are prohibited from contacting my client to discuss terms of sale".

Our insurance has 11 prohibited dangerous dog breeds.

@Ben FreeburgSee the following regarding prohibited transactions. https://www.irs.gov/irm/part4/irm_04-072-011.html

., concrete driveways, brick work, yard work) due to freezing conditions but nothing should prohibit indoor work.  

A law passed in January of this year that prohibits us from doing it.

It seems a ‘you buy mine and I’ll buy yours’ arrangement on a per deal basis could be interesting.Steve, such pre-arranged quid pro quo arrangement will be considered prohibited transaction by the IRS. 

It won’t be a “prohibited transaction” as you are only the decision maker for LLC.