Is this reasonable and is it normal to have 3x the dwelling coverage of purchase price or am I being sold more policy than I need.Still waiting to hear back on a few other quotes to compare from some other providers. 

That however is rarely the case unless you are a tract builder and I rarely see the quality of those homes close to what a custom builder will provide you. 

My tenant did not provide a forwarding address when they moved out.

Does anyone know of any specific banks/institutions that will provide this service/are there any other strategies that I could use to obtain financing?

This can also easily turn into a complete rabbit hole--the solution might create new problems, or you may discover new problems in the process of finding the solution.

This is all the data your real estate agent can provide.

Most national or mainstream mortgage lenders do not offer Super Jumbo mortgage loans (typically above $1.5-$2.5M) Although Super Jumbo Loan Lenders can provide loan amounts from $3M-30M+The majority of these buyers obtain their mortgage recommendation through their real estate professional or frequently through their existing private or premium banking relationship. 

The building is not even close to 100% occupied, so apartments are easily found and rented.

Airtags are devices developed by apple to track things like keys or bags, I use this to airtag items most susceptible to theft like hot water tanks or furnaces and provide this data to the police to track the perpetrators.2.

If you're interested, I'd be glad to connect you with the NCREIA and provide further guidance.