Is this a scam? 

it is easy to remove themJust take some guys with you and remove them by force,they won't take you to court cause they have no proof they belong in your property I would not even consider calling the police Waste of time If you treat scam artists and crooks like they deserve they will go awayThey are just looking for a free ride Throw them out,no more problemYes you may end up in court Who cares,those POS squatters are gone

A federal reserve banking scam... which began in 1971 with an announcement by President Nixon...

Sellers who aren't reporting taxes are sellers who will scam you, cheat you and lie to you. 

Is this list a scam or worth it?

There are many good Flat Fee brokers out there, but there are some websites that are not licensed and a couple of scams as well.

Don't ever work with a private money lender who says they're going to wire you funds.. 99% of the time  they're scamming.

If this were structured fairly, Jim would get 80% of the return and you would get 20%.Jim is either very generous, very bad at math, or running a scam.

You can always put "owner occupied" in the MLS to avoid scams.

We dealt with multiple con artists trying to scam us (AirBNB is full of transient people using the service to try to con hosts).