My question is if it is legal to charge late rent fees just the same as you would for a non section 8 tenant.

If it's a larger debt, I would not offer cash for keys.Yes it is for non payment  

Reg D 504 allows non accredited but "sophisticated" investors.  

Some agents might offer flexibility, like a non-exclusive agreement, especially if you’re upfront about your plans to explore multiple opportunities.

I will be serving a 10 day notice of non-payment of rent and read partial payments could be accepted without waiving right to terminate if the agreement is made in writing.

In addition, due to them being eligible for conventional non-commercial financing they typically have lower cap rate than 5 units and more.  

Oftentimes non-real estate specific CPAs aren't super familiar with all of the benefits of a study.

There are some dogs that just have to be on the couch so these cut way down on dog hairs.We provide dog bowls for water and food along with an absorbent mat.Last up we have a small Bissel hand cleaner for accidents.

How is the appeal process like, and has anyone had success or non-success with the appeal? 

If your cleaner forgets to leave one out for the next guest then they could leave a bad review because they were expecting it.