As explained in this article, seller financing works best if you understand the needs of the seller.https://www.biggerpockets.com/blog/seller-financingReally dig into this topic and ensure you understand it and are prepared to use it.

I can at least find out the rules that go by or what they allow. 

Hard to understand your post but am assuming you are saying that the individual acting on behalf of the seller was assumed to be an agent but you are finding out they are actually a wholesaler?

This can be a huge range.

Are there any guidelines or best practices (ie: rewiring such a property would be more valuable than updating insulation).Is it something you need to ask the insurance company about to get, or is all this determined in the initial interview with the potential insurer?

Do I wait to get more cash?

What type of investing do you do in Arizona to where this information is helpful?

@Hector Surratt Sosa This is a market that we are seeing increasing interest in here in 2025 as well.

Where can I do to do some research and figure out weather this style of get away is still growing in popularity, or if it is on the decline? 

Working with a mortgage broker that specializes in DSCR loans will help you find better rates and programs such as lower DSCR ratios such as a DSCR 1 ratio for better terms versus needing a 1.2 or 1.25 DSCR ratio (more on that below).