Could you kindly suggest the best resources or methods to identify comparable properties in the area?

Don't do any Structural type flips.Reduce the risk and start learning.If the above are to labor intensive, either buy a hill or buy some swamp ground.  

I would use the Lender tab here on BP to call around and find a lender or broker you may want to work with and compare loan structures and pricing. 

With that money - I am using it to invest using the BRRRR method. 

Which meant 80-90% of our structures weren't close to current building codes and we lost a majority of the island.

Finding handymen is NEVER easy:( Often, you have to use trial & error method and weed through several before finding one that is acceptably (never pefect) reliable, quality, will fix warranty issues and has decent prices.Try visiting a Home Depot 6-8am on a Saturday.

That is how I have structured it so that I don’t have a ton of my own money into the deals.

Actually the IRS does not tell us what we can invest in, only what is disallowed (life insurance contracts and collectibles).Allowable investments for SDIRA investing include the following:Residential real estate, including: apartments, single family homes, and duplexesCommercial real estate Undeveloped or raw landREITs (Real Estate Investment Trusts)Real estate notes (mortgages and deeds of trusts)Promissory notes Private limited partnerships, limited liability companies, and C corporationsTax lien certificatesOil and gas investmentsPrivate stock offerings, private placementsJudgments/structured settlementsGold bullion Factoring investments

As they mention one of the best solutions is to make sure water does not flow toward the foundation it should flow away from it for many reasons structurally but water is not your friend.

This amounts to lost opportunity because if you had purchased RE, at the closing it can start producing return. 5) ADUs detract from the existing structure whether this is privacy, a garage, or just yard space. 6) this is related to number 1, but there are many more buyers looking to purchase homes for their family than there are RE investors looking to purchase small unit count properties.