Get the new company involved early and they can help facilitate the transfer nicely with the info that they need.

As in, does the next owner either buy out the lease or the lease just transfers?

The first is that I came across a few websites and YouTube videos that suggested in a quit claim deed a mortgage doesn't transfer from seller to buyer - is this true or false?

Yeah, with you providing full financing, just make sure you transfer the money to your son first, then He Wires it to the title co.

If a judge or attorney discovers that you transferred a property into an LLC conventiently after you discovered a tenant planned on suing you would they look favorably on that decision?

You would have to appraise the property and transfer the title out of an IRA to your own name.

5. the $500 taxes fee: are those transfer taxes?

But they don't offer online transfers to business accounts at another bank.

Then once the contract is up or the person is ready to pay the remaining balance it will go to a title company for the transfer of the title. 

@Brian Dickerson, federal law prevents lenders from exercising the due on sale clause if you transfer the property into a trust for estate purposes, but you must remain as the beneficiary, which means that you also still have all of the liability.