Is it before you interview them?

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?

The key is to interview your PM and make sure whoever your direct PM will be is on-point. 

And I struggle through the expert interviews. 

I have been learning how the process works and there are a lot of resources for how to interview a sponsor and review the deal, but how do you initially access the deals to review?

I would then interview a few and make a choice as to what one to move forward with.

The have interviews, tips, and tricks to getting started.

I'd recommend searching by zip and interviewing an agent or two to see who you're most comfortable with.

There are a couple of unique tax laws to real estate investors - 1031 exchange, bonus depreciation on certain improvements, Qualified Opportunity Zones, real estate professional status, etc.Make sure that the accountant you interview to understand the above concepts.best of luck!

Initially you can interview and find the one that fits your needs.