Now, maybe the location is not the best, you will have to do your due diligence, but follow my train of thought on this one. @ $700k with 5% down : you would need $35k : why $700k if this is listed for $600k Bc as an example: you could do a construction loan where you buy the home for $600k and use $100k for the ADU.

If they reached America by plane, boat, trains or slowly walking, they surely can navigate a home purchase.

One of my friends uses comped quarterly cleaning as their inspection day and trains the cleaners to take photos and videos of everything.

These are professionals with additional training and a stricter code of ethics.

Dave Ramsey's training is structured towards personal finances.

I have a free training on YT on how to do this.

Train is huge! 

They don't actually sell tickets to events?

I would ask what their commission percentage is, how much training they provide, if they require you to be in the office, and how much their agents make on average. 

I also have no formal training in bookkeeping and don't want to spend the cash to hire one.