Provide proper care for the pet in accordance with veterinary recommendations or ASPCA (American Society for the Prevention of Cruelty to Animals) guidelines.

Generally this would be if sold to a parent or child, or a spouse, or possibly some configurations with entities. 

In total, to get the unit in rent ready condition will cost me over 2.5k.So I'm not sure how I should handle her security deposit for this tenant who has written me a scathing email claiming this "forced" move has cause her child emotional anguish and notes she is seeking legal counsel.Thoughts?

RyanAnother company that may be able to help is American Modern Home.  

We had a tenant with a young child & the two of them were a nightmare.

We have a couple of months to prepare before we can even move legally so I'm trying to gain as much knowledge as possible in order for this to be a success.I have a family of 5, 2 girls, 1 boy, and we're planning to have one more child within the next 1-2 years.

I neither like nor understand the American practice of tipping people for doing their jobs or just for doing things they wanted to do, but certainly it is widespread.

There would be a gift tax return filing requirement, even with no tax due.Such a transaction could jeopardize the previously executed  1031 exchange, as the IRS might assert that the property was never held for investment, but rather with the intent of gifting away to a child.

How does financing work with a SLLC, would the lender look at the parent + all child LLCs as a whole, or simply look at the respective child LLC?

The IRS has challenged similar arrangements in the past by asserting that a replacement property in a 1031 exchange that was either (a) subsequently gifted to a child or (b) rented to a child did not qualify as exchange property because it was not "held for investment."