The Notice needs to be sent to each tenant by both proof of delivery required service from the post office as well as by certified mail to the last known address.

Additionally, not all transaction types support Locations, meaning you'll have to create journal entries to correct them—requiring a solid understanding of debits and credits, which can be time-consuming and error-prone.Instead, I recommend biting the bullet and upgrading to QuickBooks Online Plus for each entity.

With no proof required.  

FHA gets a bad rap because sellers and many agents think it's only for people who don't have the money so if I had 20 percent, but wanted to use FHA, I would present a proof of funds with my offer showing I have more money, but am using the FHA as a financial option so I can get an investment property as well somewhere else.

Nothing you mention is "ordinary" and you should charge for all of it. dodged a bullet there thats a very good price take it from the security deposit and call yourself lucky. 

The tenant has proof that the rent payment went through successfully and was processed.

I have 0 experience ground up construction loan program nationwide that does NOT require GC to sign anything, only provide proof of 3 C/O's (certificate of occupancy) over the last year I.e. built received occupancy permission now unit is on market or habitable. 700+ FICO I can get you 80%LTC loan to cost on the project on ground up construction for 1-4 units.

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Send a written notice: Send the notice by certified mail to document the date of termination and proof of receipt.

Plus, he said let the tenant go to court as burden of proof is on him.