I know the mentor's going to help you, but if you're in low-income rentals, as I am, there's no substitute for having a working relationship with a highly experienced local real estate lawyer over a period of years.I've made the same mistakes and relied on the same sort of people.

There is no substitution for accuracy other than hiring local expert or going there do it yourself.

Third, look at the principle of substitution.

Forums and podcasts are good, but I still don't think they are substitutes for books. 

Many banks/substitute trustees will contract to sell the home at public auction using auction.com.After the auction, if the home doesn't sell, it will become an REO property (means bank owned) and will be listed with an agent.

He did provide a Scope off Work at the beginning of the project, but he never adjusted any of it for change orders such as substitution vinyl plank for carpet.

These are expensive but if you are working with a management company that specializes in large properties they might have this service and can pull reports for you.But even the paid services are no substitute for good old-fashioned shoe leather.

Handing over thousands of dollars to a great mentor, no matter what you pay them, is still not going to serve as a form of an insurance policy or a substitute for experience.

Phone cameras are closing the gap on low-end digital cameras, but there is no substitute for a high end DSLR or mirrorless.

You will substitute the expensive credit card debt for cheaper refi debt.