What’s to prevent me from asking for less of a down payment?

I can't prevent that from happening but did let all the students know that the full rent must be paid.  

In fact, many economists have openly urged the federal government to pass another major financial relief bill to prevent the recent economic progress from stalling.

There are other rules though that you might want to prevent a weekend from getting blocked off because of a weekday stay bleeding in. 

This would also prevent them from posting it on social media or sharing it with others.

Knowing your goals can help prevent shiny object syndrome and keep you focused on the task you set out for yourself.

It may not be the spirit of what was desired, but I see nothing that prevents it. 

It is assumed by the state that any rental larger than a 1 bedroom will fall into this category at some point because of the anti-discrimination laws that prevent landlords from refusing a family because they have a child.

How can we approach this scenario where living in the new place would be considered 'primary residence' and prevent writing off expenses?  

I have had investors come to me many times, stressed and overwhelmed because they do not really know why they are making their investment decisions or where they are in their 10 year plan or their financing structure model and they have a portfolio that is struggling for any number of preventable reasons - so planning based on accurate information is highly advisable.A really good team helps too.