Rival products are very reliable.
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You might like the electric skillets more.They are certainly less expensive,and more versatile the the electric griddle alone.
I have a huge Rival electric skillet.It's a larger capacity then the griddles.That's important to you and me.They can also do the same job as a griddle.Temperature control,no skid legs.The handles are very sturdy.I've had mine 10 years,and still haven't had to tighten them up.I use it often.
The nonstick coating is good quality,hard to scratch,(still use the right utensils for it).
It's safer to use around kids,you can cover it with the lid should they come in and around it.
Every griddle I've ever owned had a problem with sliding on the counter,they were too light.Grease trays were something else I had to clean up.
You can cook up to 6 sammiches,french toast pieces,many eggs,you name it,it can be done in less time then the griddle...