I understand there is a cost to have it burned down. the home would have to be prepped to to meet the requirements for permitting.

We have requested permits to fix this and have not heard back yet. 

I mean you technically require a permit to replace an outlet or sink faucet hahaha

Start with a standard offer, and write a contingency into it for electricity, all the below ground utilities, and then work your way to zoning, permitting etc.

Duplex have different zoning that may permit additional units.

(Foundation, etc)4) Black mold, asbestos, lead paint, other other costly repairs. 5) It need significant cosmetic repairs where the purchase price just isn't worth it. 6) They may have an odd layout of the rooms. 7) Non-compliant septic.8) Trouble with permits or tenants9) Listing agent has a poor or incorrect listing.

Supplement this far simpler entity approach by ensuring you have appropriate types and levels of insurance, you operate your business in a manner in which your conduct is not considered an exclusion in your policy, you work with licensed and insured vendors, you execute contracts with indemnification clauses with these same vendors/ require additional insured status &  maintain appropriate licensing and permits.

Make sure you do an OPRA request to check for open permits and confirm with the town whether the 2/1 below is legal and permitted.

.- Does the condo have an existing STVR permit or will you need to apply for it?

I expect you will need a permit and not be issued one.