Boat trailer 2 years old Rusted and the trailer place deemed it unsafe does not cover for warranty to replace it

Possibly a warranty claim under Mag-Moss.

Impossible to tell without looking at your contracts. If they had no authority, then the answer is obviously "no," it's just theft on their part. ...

Can I get my money back from a private owner that sold me my vehicle, that engine needs replaced after a week?

Sure you can. The question is, how. Short of the seller giving it back to you, your only other option is to sue them. Your claims are undoing...

On sept 27th 2016 had a oil change at jiffy lube then on oct 24th 2016 my engine locked due to the fact of no oil in my car.

Assuming JL did not tighten the screws or otherwise somehow caused oil to drain away, your claim against them is for negligence. It would be...

Can i get my money back on a car i am paying on this is my second car from this car lot within a year and both transmissions

From what minimal facts you described (and assuming the transaction was "as is"), I do not see a case here.

Does the bank need to use the court system before repossessing a vehicle ?

Repossession is a self-help remedy, therefore the answer is "no."

What can I do?

If you are being sued, hire a lawyer.

Can the store deceive customers this way No. and can I do anything about it? Sue. Isn't it a breach of verbal agreement? No. It's fraud. ...

Can i get my down payment money back?

Well, yeah, if they give it to you. I think what you are asking is whether, technically, you still have a contract with the dealer. I think that...

Do I have any course of action? Regarding an auto warranty

If the failure is not due to modifications, then yes, the problem should have been covered. Your problem is that there is a factual dispute--you...