Combined that can cost $50k+ which they may not want to pay nor their is the possibility they would not they pass the DD report.Nothing wrong with raising money in this fashion (FB or online ads), many do it and are great sponsors. 

Is there a strategy to do a BRRRR with little to no money out of my own pocket?

Prioritize your financial stability.

If you need financial help, ask under the "Finance, Tax, and Legal" forum.

If you do a good job picking tenants, you will be fine.

For real estate investors, adapting to these changes isn’t just about avoiding fines—it’s about protecting your investment and maintaining a solid reputation. 

You said good and GREAT in the first sentence, but those don't go with unpermitted kitchens so you are trying to convince yourself it's good, but it's not.

What do you mean by working with them?

If you don’t, you could find yourself in financial trouble.Thanx Mitch.

There are also companies that will do it for $100-300 flat fee or $30-50/yr.