Rental Car in Mexico

The driving and the car were fine.  I drove in Yucatan - the roads were great, drivers were fine, no problems.  But the rental company was a scam!  I rented the car from Hertz on Priceline.  Or so I thought.  It independently owned, and I later found out that I fell for the same scam that many other people did.  There are many terrible reviews on Google for this location, and I added my voice to the masses.
I rented an automatic car, but when I arrived, they said they only had manuals.  Then they said they had "just one" automatic left, but it will be more money.  I showed the email confirmation I had, but there was a bunch of Spanish, I wasn't too worried because it was a Hertz rental location, and I just signed the contract.  I was charged $903 for a five day rental.  I submitted a complaint to Hertz online, but I never heard back, so I called the customer service number, and they told me this location was independently owned, so I needed to contact the manager there.  That's when I found the google reviews.  They did similar things to everyone else.  I won't be getting a refund.  This was the most expensive rental car I've every had.
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LESSON LEARNED:  Always be VERY cautious before handing over any money.  Do lots of research.  Don't trust anyone.  If it's not the original agreed price, just walk away.