You have to put down a large deposit if you win via cashier's check.

If you have a swimming pool check out the water pump system with aerial hoses.  

I would check out airdna pay for a monthly sub for a bit, it really helps paint a picture of the health of a market. 

I plan to speak to my broker and it's probably a question for their lawyers, just wanting to check all my options before I choose a route

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

However, a check of the zoning showed this property was zoned for up to six stories.

Whether it's a private chat group, email support, or regular check-ins, make sure there’s a way to get ongoing help.7.

For #2 & #3 I would check with other successful agents in your office. #4 should come from a solid agent referral as well

Given the property is located in the Poconos and the property is vacant more regularly as an STR there are proactive measures  you should  be taking such as making sure there are heating sources so that the plumbing does not freeze and ensuring there are no blocks in the plumbing lines with routine checks.

Find a realtor and check the desirable zipcodes.